OACP PATI Exam — Questions and Answers

Question 1: A senior officer witnesses a colleague make a racially insensitive remark to a civilian during an otherwise uneventful call. The colleague is well-respected, has 20 years of service, and the civilian did not appear to react visibly. What is the MOST professionally appropriate immediate response?

Immediately intervene at the scene and formally document the incident as misconduct
Consult with the union representative before taking any action to understand your obligations
Address the colleague privately after the call to express concern and encourage self-reporting to a supervisor (Correct answer)
Ignore it given the colleague's seniority and the civilian's apparent indifference

Correct answer: Address the colleague privately after the call to express concern and encourage self-reporting to a supervisor

Professional self-control requires addressing the behaviour without escalating the situation unnecessarily in front of the civilian. A private conversation immediately after respects dignity while holding the colleague accountable. Ignoring it normalizes misconduct; a full formal intervention at the scene may escalate unnecessarily; consulting the union first delays accountability and conflates personal protection with professional obligation.

Question 2: You are the Duty Inspector during a large public demonstration that has remained peaceful. Your public order unit commander radios that a small breakaway group of approximately 20 individuals has begun vandalizing storefronts two blocks away. Dispersing them would require moving units away from the primary crowd of 2,000, which your intelligence officer warns could destabilize the main event. Media helicopters are overhead. What principle should govern your decision?

Zero-tolerance enforcement — failure to act on the vandalism visibly will embolden the primary crowd and signal that the rule of law is suspended.
Optics-first decision-making — with media overhead, any use of force on the breakaway group risks inflaming the larger crowd and must be avoided.
Defer to the public order unit commander's judgment entirely, since they have ground-level situational awareness you lack from the command post.
Proportionality and minimum force — address the immediate criminal activity with the smallest resource draw that maintains primary crowd stability. (Correct answer)

Correct answer: Proportionality and minimum force — address the immediate criminal activity with the smallest resource draw that maintains primary crowd stability.

The principle of proportionality — using the minimum necessary resources and force to address a threat while managing collateral risk — is the cornerstone of public order command decisions under the Ontario Police Services Act and OACP frameworks. Addressing the breakaway group with a targeted, proportionate response (e.g., a small quick-response element) manages the active crime without destabilizing the larger event. Zero-tolerance (B) applied bluntly in this context ignores the systemic risk to the larger crowd. Optics-first (C) is not a legitimate command principle and leaves criminal activity unaddressed. Wholesale deferral to the field commander (D) abdicates the senior officer's accountability without adding value.

Question 3: Which sentence correctly uses quotation marks in a police report?

The witness stated: 'I did not see anyone leave the building'.
The witness stated she 'did not see anyone leave the building.'
The witness stated "she did not see anyone leave the building".
The witness stated, "I did not see anyone leave the building." (Correct answer)

Correct answer: The witness stated, "I did not see anyone leave the building."

Direct quotations use double quotation marks and are introduced with a comma after the attribution phrase.

Question 4: Under the Police Services Act, when a municipality contracts with the OPP for police services, which body retains ultimate civilian oversight authority over the delivery of those services within that municipality?

The OPP Commissioner, who assumes all board functions by statute
A municipally-appointed police services board, which must still be established under the Act (Correct answer)
The Ontario Civilian Police Commission (OCPC)
The local detachment commander acting as the de facto police services board

Correct answer: A municipally-appointed police services board, which must still be established under the Act

Even when a municipality contracts with the OPP for police services rather than maintaining its own police service, the municipality is still required under the Police Services Act to establish a police services board. That board retains civilian governance authority — including setting priorities and objectives — over the OPP detachment serving the municipality. The OPP Commissioner does not absorb board functions, and the OCPC is an adjudicative/oversight body rather than the primary governance body at the local level.

Question 5: An intelligence report states: 'No organized crime associate has been observed at the warehouse. Everyone observed at the warehouse is a licensed distributor.' A supervisor argues this proves the warehouse is not involved in criminal activity. A junior analyst challenges this reasoning. Which response from the analyst is logically strongest?

The argument relies on circular reasoning because 'organized crime associate' is defined using the same criteria as 'licensed distributor'
The argument commits a false dichotomy by implying someone must be either a criminal or a licensed distributor, but not both simultaneously
The premises may both be true, but they only establish that those observed are licensed distributors — they cannot rule out unobserved criminal activity or criminal actors who were not present during surveillance (Correct answer)
The conclusion is invalid because the sample of people observed is too small to generalize to all warehouse activity

Correct answer: The premises may both be true, but they only establish that those observed are licensed distributors — they cannot rule out unobserved criminal activity or criminal actors who were not present during surveillance

The supervisor's conclusion overreaches the evidence. The premises only describe what was observed during surveillance — they say nothing about unobserved periods, concealed participants, or whether licensed distributors can simultaneously facilitate criminal activity. The inference leaps from 'those observed are licensed distributors and no known associates were seen' to 'therefore no criminal activity exists,' ignoring the gap between observed evidence and the broader claim. Answer B would be valid if the argument explicitly framed the groups as mutually exclusive, but the premises don't make that claim. Answer D addresses sample size, which is a separate and weaker concern than the surveillance-gap problem identified in A.

Question 6: An officer discovers a colleague is falsifying arrest reports. The officer's ethical obligation is to:

Ignore it if the arrests were otherwise lawful
Report the misconduct through appropriate channels (Correct answer)
Confront the colleague publicly to deter future misconduct
Counsel the colleague privately and monitor the situation

Correct answer: Report the misconduct through appropriate channels

Officers have a professional and legal obligation to report known misconduct by colleagues through proper internal or oversight channels.

Question 7: Which sentence correctly uses an apostrophe to show possession?

The officer's reports' were submitted on time.
The officers reports were submitted on time.
The officers report's were submitted on time.
The officers' reports were submitted on time. (Correct answer)

Correct answer: The officers' reports were submitted on time.

For plural nouns ending in 's,' possession is shown by adding only an apostrophe after the 's'.

Question 8: An officer earns a base salary of $62,400 per year plus a 12% shift differential for 6 months of night shifts. What are total annual earnings?

$65,856
$64,928
$66,144 (Correct answer)
$67,392

Correct answer: $66,144

Night differential = $62,400 × 12% × 0.5 = $3,744; total = $62,400 + $3,744 = $66,144.

Question 9: During an active major crime event, a Chief of Police delegates tactical command to an incident commander but continues to receive real-time updates. The incident commander's chosen tactic is lawful and within policy, but the Chief, observing from the command post, assesses it as suboptimal based on personal field experience. The Chief's most appropriate action under sound pressure-command doctrine is:

Immediately override the incident commander's decision to prevent a suboptimal outcome, as the Chief's experience creates a duty to intervene
Remain silent and accept the outcome entirely, since delegation means full relinquishment of command influence
Through the established command channel, ask the incident commander a single, precise clarifying question that surfaces the tactical rationale — intervening only if a policy violation or safety threshold breach is identified (Correct answer)
Contact frontline officers directly with guidance, bypassing the incident commander to correct course without disrupting formal command

Correct answer: Through the established command channel, ask the incident commander a single, precise clarifying question that surfaces the tactical rationale — intervening only if a policy violation or safety threshold breach is identified

Delegation in ICS-based command structures transfers operational authority while retaining strategic oversight responsibility. A Chief who overrides a lawful, in-policy tactical decision based on personal preference undermines command authority and introduces chaos into the incident structure. Bypassing the IC to contact frontline officers directly violates chain of command. Complete silence ignores the Chief's strategic oversight role. The correct action is a single clarifying question through proper channels, which allows the IC to articulate reasoning — and creates a checkpoint for actual policy or safety threshold violations without disrupting command integrity.

Question 10: Under Ontario's Anti-Racism Act, 2017 and related directives on race-based data collection in policing, a police service that collects race-based data during street checks is required to:

Publish the data annually in aggregate form and implement a bias-free policing review if disparities are identified (Correct answer)
Destroy the data after 12 months to protect individual privacy under MFIPPA
Obtain written consent from each individual before any race-based classification is recorded
Retain the data exclusively for use in criminal intelligence files and share it only with Crown attorneys

Correct answer: Publish the data annually in aggregate form and implement a bias-free policing review if disparities are identified

Ontario's Anti-Racism Act, 2017 and subsequent directives — including the Community Safety and Policing Act framework — require that race-based data collected by police services be used for anti-racism purposes, including analysis to identify systemic disparities. Services are required to report this data in aggregate publicly and to act on identified disparities. Restricting it to intelligence files, destroying it prematurely, or requiring individual consent misrepresents the legislative and policy intent, which is proactive identification and elimination of systemic racism.

Question 11: The concept of 'cultural competency' in policing refers to:

Knowing the immigration history of every community group
Speaking multiple languages fluently
Understanding and respectfully navigating cultural differences in interactions (Correct answer)
Enforcing laws differently based on cultural background

Correct answer: Understanding and respectfully navigating cultural differences in interactions

Cultural competency is the ability to understand, communicate with, and effectively interact with people across cultures while maintaining professional standards.

Question 12: If all sworn officers must complete annual firearms recertification, and Officer Chen has not completed recertification this year, what can be concluded?

Officer Chen is unfit for duty
Officer Chen is not in compliance with the mandatory requirement (Correct answer)
Officer Chen's firearm has been confiscated
Officer Chen is exempt from recertification

Correct answer: Officer Chen is not in compliance with the mandatory requirement

The only direct logical conclusion is that Officer Chen is non-compliant with the stated requirement.

Question 13: A department has a budget of $1,200,000 and allocates 40% to personnel costs. How much remains for other expenses?

$800,000
$480,000
$720,000 (Correct answer)
$600,000

Correct answer: $720,000

40% of $1,200,000 = $480,000 for personnel; $1,200,000 − $480,000 = $720,000 remaining.

Question 14: Following a high-stress, life-threatening incident, an officer feels agitated and is replaying the event in their mind. What is the most critical aspect of self-control for the officer to focus on when required to provide a formal statement?

Trying to completely suppress the emotional parts of the incident to appear detached and unaffected.
Refusing to give a statement until they feel completely calm, which could take several days.
Exaggerating the perceived threat to ensure their actions are seen as completely justified.
Focusing on providing a clear, factual, and objective account of the events as they occurred, separate from their personal emotional reactions. (Correct answer)

Correct answer: Focusing on providing a clear, factual, and objective account of the events as they occurred, separate from their personal emotional reactions.

A key element of police professionalism and self-control is the ability to separate personal emotional responses from the duty to report facts objectively. While the emotional impact is real and must be addressed through other channels (e.g., peer support), the formal statement must be a clear and accurate recounting of the events for the integrity of the investigation.

Question 15: A police supervisor is managing a multi-vehicle collision with injuries when a bystander reports a separate nearby shooting. Resources are already fully committed. What should the supervisor do FIRST?

Request additional resources while maintaining current scene management (Correct answer)
Ignore the report until the collision scene is stabilized
Send one officer alone to investigate the shooting immediately
Abandon the collision scene and redirect all resources to the shooting

Correct answer: Request additional resources while maintaining current scene management

Calling for additional resources ensures the new emergency is addressed without abandoning an active scene with injured victims.

Question 16: Two officers read the same incident report. One says 'This must be gang-related' (deductive). The other says 'This looks like it could be gang-related' (inductive). The key difference is:

Both conclusions are equally supported by evidence
The first officer has more experience
The first officer's conclusion is certain while the second's is probable (Correct answer)
The second officer is being more cautious professionally

Correct answer: The first officer's conclusion is certain while the second's is probable

Deductive conclusions claim certainty while inductive conclusions claim probability based on evidence.

Question 17: During a routine patrol, an officer notices a vehicle parked in the same spot for three consecutive days. This is an example of:

Insufficient information to warrant any attention
Pattern recognition relevant to potential abandoned vehicle or surveillance (Correct answer)
Normal parking behavior requiring no action
A traffic violation requiring immediate towing

Correct answer: Pattern recognition relevant to potential abandoned vehicle or surveillance

Recognizing deviations from normal patterns is a core observational skill that can uncover criminal activity or safety hazards.

Question 18: During a search, you find a large amount of cash but no drugs or weapons. The suspect claims the money is legitimate savings. What is the most appropriate action?

Return the cash since no drugs or weapons were found
Document the discovery, assess it in context of all evidence, and apply civil forfeiture law only where legally supported (Correct answer)
Photograph the cash and leave it, noting it in your report for the Crown to decide
Seize the cash automatically since large amounts indicate criminal activity

Correct answer: Document the discovery, assess it in context of all evidence, and apply civil forfeiture law only where legally supported

Cash alone does not establish criminality; officers must apply forfeiture law judiciously based on the totality of evidence.

Question 19: A seasoned detective uses a cognitive interview technique and asks a witness to mentally reinstate the environmental context of a crime before providing their account. The primary investigative purpose of this technique is to:

Reduce the witness's anxiety by anchoring them to familiar mental imagery before recounting trauma
Activate encoding-specificity pathways, as retrieval is enhanced when reinstatement cues match the original encoding context (Correct answer)
Establish baseline behavioural indicators prior to asking direct questions about the incident
Prevent unconscious transference by separating the witness's memory from the interview room context

Correct answer: Activate encoding-specificity pathways, as retrieval is enhanced when reinstatement cues match the original encoding context

Context reinstatement in the Cognitive Interview is grounded in the encoding specificity principle: memory retrieval is most effective when the conditions at retrieval closely match the conditions present at encoding. By mentally returning to the physical, emotional, and sensory context of the event, the witness activates cues that were encoded alongside the target memory, improving recall completeness and accuracy. The other options describe real phenomena but are not the mechanism behind this specific technique.

Question 20: You are the duty officer when a journalist calls claiming they have video evidence of two of your officers using excessive force during an arrest last week. The journalist offers to share the footage privately before publishing if police will provide comment. Your chief is unavailable. Which action best reflects proper ethical and procedural judgment?

View the footage privately to assess its severity before deciding whether to notify professional standards
Inform the journalist that you cannot comment on personnel matters and end the call without further action
Decline to view private pre-publication footage and direct the journalist to your media relations unit, while immediately notifying your chain of command and professional standards (Correct answer)
Request the journalist delay publication for 48 hours while you conduct a preliminary internal review

Correct answer: Decline to view private pre-publication footage and direct the journalist to your media relations unit, while immediately notifying your chain of command and professional standards

Viewing footage privately before notifying professional standards could compromise the integrity of any subsequent investigation and create the appearance of evidence management. Proper procedure requires immediately escalating to the chain of command and professional standards without engaging in informal evidence review. Requesting publication delays is an overreach with no legal basis and can damage police-media relations. Simply ending the call without action fails to initiate mandatory reporting of a potential use-of-force complaint.

Question 21: Officers have gathered data from 47 residential break-and-enters over six months and use it to conclude that most daytime B&Es in the district are committed by individuals under 25. A supervisor challenges this as an unjustified leap. The supervisor's strongest methodological objection is:

The officers should have used a deductive syllogism before collecting any data
The sample may not be representative if only reported incidents were included, creating survivorship bias (Correct answer)
The conclusion is invalid because it does not reach 100% certainty
Inductive reasoning is never valid in criminal investigation and should be replaced with deduction

Correct answer: The sample may not be representative if only reported incidents were included, creating survivorship bias

The strongest objection is survivorship (selection) bias: if only reported incidents entered the dataset, unreported ones — which may skew older or different demographics — are excluded. Inductive conclusions are always probabilistic, not certain, but the real threat here is a non-representative sample undermining the inference's strength. Options B and C mischaracterize induction; D confuses the order of empirical inquiry.

Question 22: A logical argument is described as 'valid but not sound.' This means:

The argument's structure is correct but at least one premise is false (Correct answer)
The conclusion does not follow from the premises
Both the premises and conclusion are false
The argument uses circular reasoning

Correct answer: The argument's structure is correct but at least one premise is false

Validity concerns argument structure; soundness additionally requires all premises to be true.

Question 23: An officer is documenting a domestic incident where the victim recants her original statement at the scene. Under best practices for report writing in Ontario domestic violence cases, how should the officer handle the recantation?

Record only the final statement, since the recantation supersedes the original and the victim's current position controls the narrative
Note the recantation and recommend the Crown withdraw charges, since victim testimony is essential for conviction
Document both the original statement and the recantation verbatim, note the circumstances under which each was given, and flag any indicators of coercion or fear (Correct answer)
Omit both statements and rely solely on physical evidence observations to avoid contradictions in the Crown brief

Correct answer: Document both the original statement and the recantation verbatim, note the circumstances under which each was given, and flag any indicators of coercion or fear

Ontario domestic violence protocols recognize that recantations often occur under duress or intimidation. The officer must document both statements completely, including the context and demeanour during each, and note any observable indicators that may explain the change (e.g., suspect present, victim fearful). This comprehensive record allows the Crown to assess the reliability of each statement and supports a case-proceeding decision independent of victim cooperation.

Question 24: When conducting a threat assessment on a person of concern who has made written threats against a public official, which factor would MOST significantly increase the threat level?

The subject has expressed grievances on social media in general terms
The subject has a prior arrest for a non-violent offense
The subject has researched the target's schedule, location, and security arrangements (Correct answer)
The subject has a history of academic underachievement

Correct answer: The subject has researched the target's schedule, location, and security arrangements

Targeted research into a victim's schedule and security indicates the subject has moved from ideation to planning, which substantially elevates the threat level.

Question 25: A trend shows that for every 10 additional patrol officers deployed, reported burglaries decrease by 14. If the current force of 50 officers yields 210 burglaries, how many are expected with 70 officers?

182 (Correct answer)
168
196
178

Correct answer: 182

Adding 20 officers (2 groups of 10) reduces burglaries by 2 × 14 = 28; 210 − 28 = 182.

Question 26: During a lawful traffic stop, an officer develops reasonable grounds to arrest the driver for an outstanding warrant. The driver — who is Deaf — does not understand the officer's verbal arrest commands and reaches toward the vehicle's centre console. The officer, applying the National Use of Force Framework, is most appropriately guided by which principle when selecting a response option?

The framework requires the officer to immediately escalate to hard physical control because any movement toward an unseen area constitutes an imminent lethal threat.
The framework mandates a de-escalation pause of at least 30 seconds before any physical intervention may be lawfully applied.
The officer's perception of the subject's behaviour — informed by all available contextual cues including the known communication barrier — anchors the threat assessment before any force option is selected. (Correct answer)
Once an arrest decision is made, the officer's use-of-force discretion is suspended and the service's use-of-force policy dictates a fixed response sequence.

Correct answer: The officer's perception of the subject's behaviour — informed by all available contextual cues including the known communication barrier — anchors the threat assessment before any force option is selected.

The National Use of Force Framework is not a sequential ladder but an analytical model centred on the officer's continuous situational assessment. The framework explicitly requires the officer to perceive and evaluate subject behaviour in light of all context — including known factors like a communication disability — before selecting any response. A Deaf person reaching toward a console after an unheard verbal command presents a different threat calculus than the same movement by someone who demonstrably heard and ignored commands. The framework demands that officers adjust their perception and response to the totality of the situation; it prescribes no rigid time delays nor suspends discretion upon arrest.

Question 27: A table shows response times (minutes): 4, 7, 5, 12, 6, 8, 5. What is the median response time?

7
8
6 (Correct answer)
5

Correct answer: 6

Sorted: 4, 5, 5, 6, 7, 8, 12; the middle (4th) value is 6.

Question 28: A newly appointed Chief of Police faces a decision during a major cyber-attack on the city's 911 dispatch infrastructure. The attack is ongoing; 911 calls are failing. The vendor's technician says the fastest fix requires briefly taking the entire CAD system offline for 8 minutes. Your backup dispatch protocol is manual, slower, and your manual-trained staff has not drilled in 14 months. The technician is confident in the 8-minute estimate. What is the most critical factor in the Chief's decision?

Whether the manual backup protocol has been formally tested recently enough to rely on under live conditions. (Correct answer)
The current real-time call volume and severity of active incidents being managed in the system at the moment of the decision.
Whether legal counsel has confirmed the Chief has authority to authorize the temporary CAD shutdown without City Council approval.
The vendor's confidence level in the 8-minute estimate, since the decision reverses entirely if the outage extends significantly beyond that.

Correct answer: Whether the manual backup protocol has been formally tested recently enough to rely on under live conditions.

All four factors are relevant, but the most critical is the operational reliability of the backup protocol. A vendor estimate being wrong (A) is a risk, but it's a recoverable scenario if your backup functions. High call volume (C) matters, but if your backup is unreliable, high volume makes a bad backup worse — it doesn't resolve the core vulnerability. Legal authority (D) is a real consideration in some jurisdictions but is secondary to the immediate life-safety question; operational necessity typically provides the authority. The untested backup protocol (B) is the decisive variable because it is the only one that, if it fails, creates a total loss of emergency response capacity with no fallback — the worst-case outcome in a life-safety system.

Question 29: A police officer observes a colleague making a discriminatory comment to a member of the public. The appropriate immediate response is:

Allow the colleague to complete the interaction first
Intervene and redirect the interaction professionally (Correct answer)
Notify the union representative before acting
File a formal complaint only after the shift ends

Correct answer: Intervene and redirect the interaction professionally

Officers have a duty to intervene when they witness discriminatory or improper conduct to stop ongoing harm and uphold professional standards.

Question 30: Which sentence avoids the use of jargon or unnecessary abbreviations?

Perp was IDed via CCTV and subsequently BOLOed.
The subj was apprehended w/ a weapon at 2300 hrs.
The deceased individual was transported to the medical examiner's office. (Correct answer)
The DB was transported to the ME's office per SOP.

Correct answer: The deceased individual was transported to the medical examiner's office.

Clear reports use plain language that can be understood by all readers, including those unfamiliar with police jargon.

Question 31: Which two terms signify something different? a) Shy b) Careful c) Honest d) Outgoing

b & c
a & b
a & d (Correct answer)
a & c

Correct answer: a & d

Shy (a) and outgoing (d) are direct opposites, so they signify something different from each other. Careful and honest are simply distinct positive traits that are not opposites, so the other pairings do not capture contrasting meanings.

Question 32: A crime hotspot map shows that 3 out of every 5 reported thefts occur in a single district. If 200 thefts occur city-wide, how many occur in that district?

80
120 (Correct answer)
150
100

Correct answer: 120

3/5 of 200 = 0.6 × 200 = 120 thefts in the hotspot district.

Question 33: A logical chain states: 'If there is no motive, there is no suspect. There is a suspect. Therefore, there is a motive.' This argument uses which valid logical form?

Modus ponens
Affirming the consequent
Modus tollens (Correct answer)
Modus ponens reversed

Correct answer: Modus tollens

Modus tollens: 'If P then Q; not Q; therefore not P' — here applied as 'not Q implies not P; P exists; therefore Q exists' via contrapositive.

Question 34: An officer observing a crowded intersection notices a vehicle, later relevant to an investigation, but cannot recall its licence plate or make. Forensic memory research would MOST accurately attribute this to:

Proactive interference from prior vehicle observations overwriting the newly encoded licence plate in long-term memory
Inattentional blindness caused by the officer's attentional resources being focused on task-irrelevant stimuli at the time of observation (Correct answer)
Source monitoring error, where the officer correctly encodes the vehicle but misattributes it to a different time and location
Retrograde amnesia induced by the psychological stress of potential threat perception during the observation

Correct answer: Inattentional blindness caused by the officer's attentional resources being focused on task-irrelevant stimuli at the time of observation

Inattentional blindness occurs when an observer fails to perceive a stimulus that is fully within their visual field because attentional resources are allocated elsewhere. In a crowded intersection, attention directed at pedestrians, traffic signals, or other focal events can cause an unattended object — like a specific vehicle — to go unencoded entirely. Retrograde amnesia requires a neurological disruption event. Source monitoring error implies the item was encoded but misattributed. Proactive interference disrupts new encoding via competition from similar prior memories, which is a different mechanism.

Question 35: A community member files a complaint claiming an officer was rude during an interaction. What does professionalism require of the officer under review?

Blame environmental stressors for the interaction's tone
Deny all allegations to protect their record
Request the complaint be dismissed due to lack of witnesses
Cooperate fully with the review process and reflect on their conduct (Correct answer)

Correct answer: Cooperate fully with the review process and reflect on their conduct

Professionalism includes accountability; cooperating with review processes and reflecting on conduct are essential to continuous improvement.

Question 36: Choose the correct word to complete the sentence: 'The sergeant was asked to _______ on the key points of the policy for new recruits.'

Eliminate
Emulate
Exaggerate
Elaborate (Correct answer)

Correct answer: Elaborate

To elaborate means to explain something in more detail, which fits the context of clarifying policy points.

Question 37: An officer completes an arrest report and later discovers a material factual error — the suspect's date of birth is wrong and it conflicts with CPIC records. The report has already been submitted to the Crown. What is the most appropriate course of action?

Leave the original report unchanged and note the correction only in the officer's notebook
Amend the original report directly in the records management system to reflect the correct date of birth
Submit a supplementary report documenting the error, the correct information, and how the discrepancy was discovered (Correct answer)
Contact the Crown verbally to advise of the error and document the call in a new occurrence

Correct answer: Submit a supplementary report documenting the error, the correct information, and how the discrepancy was discovered

A supplementary report preserves the integrity of the original document while creating a transparent audit trail of the correction. Altering the original submitted report raises evidentiary integrity concerns and may constitute tampering. Verbal notifications are insufficient for the formal record, and notebook entries alone do not correct the official file.

Question 38: A department budget of $4,500,000 allocates 32% to personnel, 18% to equipment, and the rest to operations. How much is allocated to operations?

$2,025,000
$2,250,000 (Correct answer)
$1,800,000
$2,475,000

Correct answer: $2,250,000

Operations = 100% − 32% − 18% = 50%; $4,500,000 × 0.50 = $2,250,000.

Question 39: An officer is completing a description of a stolen vehicle. Which detail would be LEAST useful for a broadcast to other officers?

The vehicle's mileage at time of theft (Correct answer)
The distinctive damage on the rear bumper
The make and model
The license plate number

Correct answer: The vehicle's mileage at time of theft

Mileage is not observable externally and cannot be used by patrol officers to identify a vehicle in traffic.

Question 40: In 2024, a police service deployed its 360 officers across three divisions in the ratio 5:4:3. In 2025, the service expanded to 408 officers and redistributed them in the ratio 4:3:5. How many more officers does the THIRD division have in 2025 compared to 2024?

78 more officers
72 more officers
68 more officers
80 more officers (Correct answer)

Correct answer: 80 more officers

2024: Total ratio parts = 12. Each part = 360 ÷ 12 = 30 officers. Third division: 3 × 30 = 90. 2025: Total ratio parts = 12. Each part = 408 ÷ 12 = 34 officers. Third division: 5 × 34 = 170. Difference: 170 − 90 = 80. A common error is failing to notice that the third division's share jumps from 3 parts to 5 parts in addition to the overall workforce growing — both factors must be accounted for.

Question 41: A patrol car travels at 60 km/h for 45 minutes. How far does it travel?

50 km
45 km (Correct answer)
60 km
30 km

Correct answer: 45 km

45 minutes is 0.75 hours; 60 km/h × 0.75 = 45 km.

Question 42: Which sentence uses the passive voice correctly in a police report?

Arresting the suspect was done by the officer.
The suspect was arrested by the officer. (Correct answer)
The officer arrested the suspect.
An arrest of the suspect occurred by the officer.

Correct answer: The suspect was arrested by the officer.

The passive voice places the subject receiving the action first, which is acceptable in reports when the object of the action is the focus.

Question 43: A negotiator is attempting to build rapport with a barricaded subject when the subject makes a statement suggesting imminent self-harm. The MOST appropriate response by the negotiator is to:

Acknowledge the statement, express concern, and ask open-ended questions to continue engagement (Correct answer)
Promise the subject that no charges will be laid if they surrender immediately
Transfer the call to a mental health professional without warning the subject
Immediately terminate the call and allow tactical units to breach

Correct answer: Acknowledge the statement, express concern, and ask open-ended questions to continue engagement

Maintaining engagement through acknowledgment and open-ended questioning sustains the relationship and gathers critical information about the subject's state.

Question 44: Crime statistics show a 15% decrease from 800 incidents last year. How many incidents occurred this year?

680 (Correct answer)
700
620
660

Correct answer: 680

Decrease = 800 × 0.15 = 120; this year = 800 − 120 = 680.

Question 45: Which of the following is an example of a dangling modifier?

Running to the scene, backup was radioed for. (Correct answer)
The officer, running to the scene, radioed for backup.
Running to the scene, the officer radioed for backup.
After running to the scene, the officer radioed for backup.

Correct answer: Running to the scene, backup was radioed for.

A dangling modifier occurs when the modifying phrase does not clearly refer to the correct subject in the sentence.

Question 46: During a cognitive interview, a detective asks a witness to mentally reinstate the context of a robbery and then narrate events in reverse chronological order — starting from when police arrived and working backward to entering the store. The primary investigative rationale for reverse-order recall is:

To exploit state-dependent memory by reactivating the physiological arousal the witness felt at the time
To maximise the encoding specificity principle by pairing retrieval cues with original encoding conditions
To circumvent confirmation bias in the interviewer by preventing anticipation of narrative outcomes
To reduce the influence of schematic expectations and generic scripts that could contaminate the witness's account (Correct answer)

Correct answer: To reduce the influence of schematic expectations and generic scripts that could contaminate the witness's account

Reverse-order recall — one of the four core mnemonics of the Cognitive Interview developed by Geiselman and Fisher — works primarily by disrupting the witness's reliance on prior knowledge schemas and generic event scripts (e.g., 'what normally happens in a robbery'). When witnesses reconstruct events forward, they often fill gaps using scripted expectations rather than genuine episodic memory. Recalling in reverse makes schema-driven gap-filling cognitively costly and increases the likelihood that what is reported reflects actual encoding. Mental context reinstatement targets encoding specificity (option C), which is a separate mnemonic. Physiological arousal re-activation and interviewer confirmation bias are not the mechanism targeted by this specific technique.

Question 47: Which principle ensures that a police officer's use of force is proportional to the threat faced?

The Graduated Response Model (Correct answer)
The Officer Safety Mandate
The Principle of Minimal Intervention
The Charter Right to Security

Correct answer: The Graduated Response Model

The Graduated Response Model guides officers to apply force that is proportional and appropriate to the level of resistance or threat encountered.

Question 48: A detective administering a live lineup for a suspect in a series of arsons is blind to which position the suspect occupies. Partway through, the witness pauses and says, 'I'm not certain, but maybe number three?' The detective responds, 'Take your time; look carefully.' Research on administrator feedback indicates this response is:

Permissible under the PEACE model since it avoids leading language
Problematic because any post-identification response can inflate reported witness confidence (Correct answer)
Appropriate only if the witness has not yet made a definitive choice
Acceptable because it is neutral and merely encourages deliberation

Correct answer: Problematic because any post-identification response can inflate reported witness confidence

Research by Wells and Bradfield demonstrated that even neutral, non-confirmatory statements made by an administrator after a witness's tentative identification can significantly inflate the witness's later reported confidence, retrospective clarity of view, and certainty — a phenomenon called the 'post-identification feedback effect.' Because the witness has already indicated a tentative selection (number three), any response — including ostensibly neutral encouragement — constitutes post-identification feedback that contaminates the witness's self-assessment. Double-blind administration is designed to eliminate this, but the administrator's verbal response here still creates risk.

Question 49: What does 'premeditated' mean when describing a crime?

Committed under extreme emotional distress or provocation
Carried out on impulse without any prior planning
Done purely in self-defence with no alternative
Planned or thought out in advance before being carried out (Correct answer)

Correct answer: Planned or thought out in advance before being carried out

Premeditated describes an act that was consciously planned or deliberated before it occurred, which typically increases the severity of a criminal charge.

Question 50: An officer is completing a Use of Force Report following an arrest where a Conducted Energy Weapon (CEW) was deployed. The subject suffered a minor laceration unrelated to the CEW. Under Ontario's Use of Force reporting model, how should the laceration be documented?

It should be documented only in the officer's notebook and flagged for the supervisor verbally
It need not be included in the Use of Force Report since it was not caused by the CEW deployment
It must be the subject of a separate Internal Affairs report filed within 24 hours
It should be documented in the Use of Force Report as an injury sustained during the interaction, regardless of its cause, and also noted in the occurrence report (Correct answer)

Correct answer: It should be documented in the Use of Force Report as an injury sustained during the interaction, regardless of its cause, and also noted in the occurrence report

Ontario's Use of Force reporting framework requires documentation of all injuries sustained during an interaction where force was used — not merely injuries attributable to the specific force option triggered the report. Omitting the laceration because it had a different cause creates an incomplete record that could later appear as a deliberate omission during litigation or SIU review. The injury must also appear in the general occurrence report for completeness.

Question 51: Under the OACP testing process, the Behavioural Personnel Assessment Device (BPAD) is designed to evaluate which candidate quality?

Job-relevant judgment and communication in simulated police scenarios (Correct answer)
Knowledge of provincial traffic laws
Speed and accuracy in data entry tasks
Physical endurance and cardiovascular fitness

Correct answer: Job-relevant judgment and communication in simulated police scenarios

The BPAD uses video-based scenarios to assess how candidates exercise judgment and communicate in realistic policing situations.

Question 52: A city's reported violent crimes fell from 840 to 756 in one year. Over the same period, the city's population grew from 280,000 to 315,000. By what percentage did the violent crime RATE (per 100,000 residents) change?

Decreased by 14%
Decreased by 20% (Correct answer)
Increased by 5%
Decreased by 10%

Correct answer: Decreased by 20%

Rate Year 1: (840 ÷ 280,000) × 100,000 = 300 per 100k. Rate Year 2: (756 ÷ 315,000) × 100,000 = 240 per 100k. Percentage change: (240 − 300) ÷ 300 × 100 = −20%. The raw incident count dropped by only 10%, but because the population grew significantly, the rate dropped twice as much. Choosing 10% is the classic trap of using absolute counts instead of population-adjusted rates.

Question 53: Which of the following BEST exemplifies a police officer demonstrating professionalism through their daily demeanor?

Consistently maintaining a calm, respectful, and impartial attitude during all public interactions, regardless of the other person's behavior. (Correct answer)
Sharing personal stories and opinions to build a quick but potentially inappropriate rapport with victims.
Being overly friendly and familiar with all members of the public to appear approachable, which may blur professional boundaries.
Adopting an intimidating and authoritative presence to ensure immediate compliance from the public.

Correct answer: Consistently maintaining a calm, respectful, and impartial attitude during all public interactions, regardless of the other person's behavior.

Professionalism in policing is fundamentally about impartial and respectful conduct. Maintaining a calm and composed demeanor, even when faced with hostility or difficult circumstances, shows self-control and is essential for procedural justice, de-escalation, and building public trust.

Question 54: When documenting a witness statement in a police report, which approach best ensures accuracy?

Paraphrase to make the statement more concise
Summarize the statement in the officer's own words
Record the witness's exact words using quotation marks where possible (Correct answer)
Include only the portions relevant to the primary charge

Correct answer: Record the witness's exact words using quotation marks where possible

Using the witness's exact words in quotation marks preserves evidentiary integrity and avoids misrepresentation.

Question 55: An officer stops a vehicle for a minor traffic infraction and smells alcohol. What is the appropriate next step?

Conduct an approved screening device (ASD) demand (Correct answer)
Arrest the driver immediately for impaired driving
Issue the traffic ticket and release the driver
Call for a supervisor before taking any action

Correct answer: Conduct an approved screening device (ASD) demand

A smell of alcohol during a traffic stop provides reasonable grounds to make an ASD demand under the Criminal Code.

Question 56: Officers respond to a neighborhood where residents report increased drug activity. Which analytical approach is most appropriate before deploying resources?

Immediately saturate the area with officers based on resident complaints
Wait for an arrest to confirm the reports
Cross-reference complaints with existing crime data and field intelligence to validate the trend (Correct answer)
Dismiss the complaints as community bias

Correct answer: Cross-reference complaints with existing crime data and field intelligence to validate the trend

Cross-referencing multiple data sources ensures resource deployment is evidence-based rather than reactive.

Question 57: A police service is running a Sigma project to reduce false alarm call response times. After completing the Measure phase, the team discovers that the measurement system itself contributes 38% of the observed process variation. What is the MOST appropriate next step?

Proceed to the Analyze phase because 38% measurement error is within the acceptable threshold for service environments
Escalate to a DMADV pathway since the measurement system failure indicates a design flaw in the process
Halt the project and redesign the measurement system before continuing, as the data cannot reliably distinguish true process variation (Correct answer)
Apply a correction factor to all collected data and proceed to Analyze, noting the limitation in the project charter

Correct answer: Halt the project and redesign the measurement system before continuing, as the data cannot reliably distinguish true process variation

When a measurement system analysis (Gage R&R) reveals that measurement error accounts for more than 30% of total observed variation, the data is considered unreliable for distinguishing real process signals from noise. Proceeding to Analyze would risk drawing false conclusions. The team must remediate the measurement system — recalibrating instruments, retraining data collectors, or redefining operational definitions — before collecting valid baseline data. Option A is wrong because 30% is the typical upper limit (not a floor), not a threshold below which 38% is acceptable. Option C is methodologically unsound as post-hoc correction factors cannot recover the fidelity of flawed raw data. Option D is a category error; DMADV applies to new process design, not measurement system failure.

Question 58: A headquarters review sets two simultaneous performance targets: an arrest rate of at least 28% of incidents, and a case closure rate above 70%. Using the table below, which division(s) meet BOTH targets? North: 1,240 incidents, 316 arrests, 892 cases closed South: 876 incidents, 198 arrests, 614 cases closed East: 1,560 incidents, 442 arrests, 1,105 cases closed West: 1,088 incidents, 289 arrests, 762 cases closed

East Division only (Correct answer)
East and West Divisions
All four divisions
North Division only

Correct answer: East Division only

Arrest rates: North = 316/1,240 = 25.5% (fails); South = 198/876 = 22.6% (fails); East = 442/1,560 = 28.3% (passes); West = 289/1,088 = 26.6% (fails). Of these, only East needs its closure rate checked: 1,105/1,560 = 70.8% — passes. East is the only division satisfying both criteria. West's closure rate (762/1,088 = 70.0%) meets exactly 70% but does not exceed it, and West already fails the arrest threshold. North's closure rate (71.9%) passes, but its arrest rate does not.

Question 59: In a 3×3 grid, each row and column must contain exactly one circle, one square, and one triangle. Row 1: Circle, Square, Triangle. Row 2: Triangle, Circle, Square. Row 3: Square, ___, Circle. What fills the blank?

Diamond
Circle
Triangle (Correct answer)
Square

Correct answer: Triangle

Row 3 already contains Square and Circle, so the missing shape must be Triangle. Confirming via Column 2: it already has Square (Row 1) and Circle (Row 2), so Triangle is required.

Question 60: An officer needs to distribute 84 pamphlets equally among 7 community groups. How many pamphlets does each group receive?

10
14
12 (Correct answer)
16

Correct answer: 12

84 ÷ 7 = 12 pamphlets per group.

OACP PATI Exam

The OACP Police Analytical Thinking Inventory (PATI) assesses analytical reasoning, quantitative reasoning, and written communication skills for Ontario police applicants.

Questions

90 min

Time Limit

60%

To Pass

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Exam Rules

You can skip questions and return to them later
Flag questions for review before submitting
No feedback shown until you submit the entire exam
Unanswered questions count as wrong — answer everything
10 pretest questions are mixed in and don't affect your score
Timer auto-submits when time runs out
Your progress is auto-saved every 30 seconds

These practice questions were written with AI tools. They are not real exam questions. Exam facts are checked against the official sources listed below. Not reviewed by a subject-matter expert. Editorial policy

Sources & references

Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy

oacp.ca — Eligibility, fees, passing score, registration deadline, retake policy, time limit, score validity · verified Oct 2026
oacpcertificate.ca — Test delivery, exam format, score release · verified Oct 2026