OACP PATI Exam โ Questions and Answers
Question 1: What does 'impartial' mean in the context of law enforcement?
- Applying different rules depending on individual circumstances
- Following all department policies and written regulations
- Treating all people equally and without personal bias or favouritism (Correct answer)
- Being strict and firm in the enforcement of all applicable laws
Correct answer: Treating all people equally and without personal bias or favouritism
Impartial means treating all parties equally and without bias or favouritism, which is a fundamental principle of fair and professional policing.
Question 2: A division's annual case clearance data is shown below: Robbery: 240 cases, 168 cleared Assault: 580 cases, 435 cleared Fraud: 190 cases, 76 cleared Theft: 340 cases, 187 cleared What is the overall clearance rate across all crime types combined?
- 60.0%
- 62.5%
- 67.3%
- 64.1% (Correct answer)
Correct answer: 64.1%
The overall rate requires combining totals, not averaging individual rates. Total cases = 240 + 580 + 190 + 340 = 1,350. Total cleared = 168 + 435 + 76 + 187 = 866. Overall clearance = 866 รท 1,350 = 64.1%. The answer of 60.0% is a trap: it is the simple (unweighted) average of the four individual rates (70% + 75% + 40% + 55%) รท 4, which incorrectly treats each crime category as equally sized.
Question 3: When a police officer uses an interpreter during an investigation, what is the PRIMARY ethical concern?
- Availability of certified interpreters
- Cost of interpretation services
- Time delays caused by interpretation
- Ensuring accuracy and confidentiality of interpreted communications (Correct answer)
Correct answer: Ensuring accuracy and confidentiality of interpreted communications
Accuracy and confidentiality are paramount because errors or breaches can compromise both the investigation and the subject's rights.
Question 4: When conducting a strip search, Ontario law requires that the search be:
- Witnessed by at least two officers regardless of gender
- Conducted at the scene of arrest whenever contraband is suspected
- Authorized by a warrant in all circumstances
- Done only in private by an officer of the same gender as the person being searched (Correct answer)
Correct answer: Done only in private by an officer of the same gender as the person being searched
Strip searches must be conducted in private and by an officer of the same gender to protect dignity and comply with Charter standards.
Question 5: If 3 officers each file 4 reports per shift over 5 shifts, what is the total number of reports filed?
- 45
- 48
- 55
- 60 (Correct answer)
Correct answer: 60
3 officers ร 4 reports ร 5 shifts = 60 reports total.
Question 6: A senior officer you respect publicly contradicts your evidence-based recommendation during a command briefing, dismissing it as 'inexperienced thinking.' The room falls silent waiting for your response. What is the most professionally appropriate immediate action?
- Calmly acknowledge the disagreement, note that you'd welcome the opportunity to discuss the evidence further after the briefing, and continue contributing constructively. (Correct answer)
- Politely but firmly restate the core evidence in front of the group to ensure your professional credibility is not undermined.
- Remain silent for the remainder of the briefing to avoid further conflict and document your recommendation in writing afterward.
- Request an immediate private sidebar with the senior officer to resolve the disagreement before the briefing continues.
Correct answer: Calmly acknowledge the disagreement, note that you'd welcome the opportunity to discuss the evidence further after the briefing, and continue contributing constructively.
Professionalism under pressure requires acknowledging conflict without escalating it publicly. Offering to continue the discussion post-briefing respects hierarchy and process while preserving your professional integrity. Silence (B) abandons advocacy; re-arguing publicly (C) risks appearing insubordinate; demanding a sidebar (D) disrupts the meeting and signals emotional reactivity rather than composure.
Question 7: An officer witnesses an event and is later asked to testify. Their courtroom testimony should be based primarily on:
- Their contemporaneous notes made at the time of the event (Correct answer)
- Their current memory of the event
- A summary prepared by a supervisor
- Statements made by colleagues
Correct answer: Their contemporaneous notes made at the time of the event
Contemporaneous notes are the most reliable record because they were created when memory was freshest and before recall could be influenced by later information.
Question 8: In formal police reports, which pronoun usage is most appropriate?
- I observed the vehicle moving erratically.
- We observed the vehicle moving erratically.
- They observed the vehicle moving erratically.
- The reporting officer observed the vehicle moving erratically. (Correct answer)
Correct answer: The reporting officer observed the vehicle moving erratically.
Many police jurisdictions require third-person references to avoid ambiguity and maintain objectivity in formal reports.
Question 9: An officer prepares a report that will be disclosed to the defence under Charter s. 7 obligations. The report contains an embedded note that the officer marked as 'NOT FOR DISCLOSURE โ OPERATIONAL.' Under Canadian disclosure law and OACP best practices, what is the correct position on this notation?
- The notation creates a presumption of non-disclosure that the Crown must actively rebut before the material can be released
- The notation is permissible if the officer can later testify that the information posed a genuine public safety risk
- The notation is valid because operational notes fall under informant privilege and are automatically shielded from disclosure
- Officers cannot unilaterally determine disclosure status; only Crown counsel or a court can restrict disclosure, and the notation has no legal force (Correct answer)
Correct answer: Officers cannot unilaterally determine disclosure status; only Crown counsel or a court can restrict disclosure, and the notation has no legal force
Under R v Stinchcombe and subsequent Charter jurisprudence, disclosure obligations rest with the Crown, not the reporting officer. An officer's notation of 'NOT FOR DISCLOSURE' carries no legal authority and can itself become a disclosure issue, suggesting improper restriction. Decisions to seek a Garofoli application, claim informant privilege, or apply a public interest immunity are made by Crown counsel, sometimes in consultation with senior police administration โ never unilaterally by the reporting officer. Writing such notations in disclosable reports is a significant professional and legal error.
Question 10: A civilian records an officer during a routine stop and posts it online. The officer's professional response should be to:
- Ignore the recording and continue the stop professionally as if not being filmed (Correct answer)
- Request backup before continuing the stop
- Demand the civilian stop recording to avoid misrepresentation
- Confiscate the device citing privacy laws
Correct answer: Ignore the recording and continue the stop professionally as if not being filmed
Officers must conduct themselves professionally regardless of recording, as consistent conduct reflects genuine professionalism rather than performance.
Question 11: A police division's use-of-force incidents over four quarters were: Q1: 48, Q2: 54, Q3: 41, Q4: 63. A sergeant claims the inter-quartile range (IQR) of this dataset is 15. Is this claim correct, and what is the actual IQR?
- The claim is incorrect; the IQR is 11
- The claim is incorrect; the IQR is 22
- The claim is incorrect; the IQR is 13 (Correct answer)
- The claim is correct; the IQR is 15
Correct answer: The claim is incorrect; the IQR is 13
Sorted in ascending order: 41, 48, 54, 63. For four values, Q1 is the average of the 1st and 2nd values: (41+48)/2 = 44.5, and Q3 is the average of the 3rd and 4th values: (54+63)/2 = 58.5. IQR = Q3 โ Q1 = 58.5 โ 44.5 = 13. The sergeant's claim of 15 is incorrect.
Question 12: If an officer earns $52,000 annually and receives a 5% raise, what is the new annual salary?
- $55,200
- $53,000
- $57,000
- $54,600 (Correct answer)
Correct answer: $54,600
5% of $52,000 = $2,600; $52,000 + $2,600 = $54,600.
Question 13: During a major incident debrief, a commander states: 'Our response time improved because we added two more units to the sector.' The data shows response times dropped from 9.2 min to 7.8 min after the units were added, but the same period saw a 20% reduction in call volume. Which analytical principle most directly challenges the commander's conclusion?
- The commander is committing a base rate fallacy by ignoring historical averages.
- The sample size is too small to draw any conclusion about unit effectiveness.
- Correlation does not imply causation โ the volume reduction is a confounding variable. (Correct answer)
- Response time is not a valid performance metric for multi-unit deployments.
Correct answer: Correlation does not imply causation โ the volume reduction is a confounding variable.
The commander assumes the added units caused faster response times, but a simultaneous 20% drop in call volume means each unit had fewer calls to cover โ which alone could explain improved times. This confounding variable breaks the causal claim. The issue is not sample size (we have sector-wide data), not metric validity (response time is standard), and not base rate fallacy (no prior probability is being ignored). The core error is treating a temporal correlation as proof of causation.
Question 14: A witness statement contains the sentence: 'The car were moving fast down King Street.' What is the grammatical error?
- There is no grammatical error
- 'were' should be 'was' because 'car' is singular (Correct answer)
- 'fast' needs to be replaced with 'quickly'
- 'car' should be plural
Correct answer: 'were' should be 'was' because 'car' is singular
The subject 'car' is singular, so the correct verb form is 'was', not 'were'. Subject-verb agreement is a fundamental writing skill tested on the OACP.
Question 15: When writing an observation note about a suspicious person, which entry best meets professional documentation standards?
- 'Subject observed; will follow up if needed.'
- 'Guy in dark clothes, seemed up to no good, about medium height.'
- 'Male, approx. 30โ35 yrs, 5'10", 170 lbs, black hoodie, blue jeans, observed pacing outside Store #4 at 14:32 hrs.' (Correct answer)
- 'Suspicious male seen near the store, looked nervous.'
Correct answer: 'Male, approx. 30โ35 yrs, 5'10", 170 lbs, black hoodie, blue jeans, observed pacing outside Store #4 at 14:32 hrs.'
Professional documentation requires specific, objective details including time, location, physical description, and observed behavior rather than subjective impressions.
Question 16: A crime analyst is interpreting a scatter plot of monthly foot patrols (x-axis, ranging 20โ80 hours) vs. property crimes (y-axis, ranging 15โ95 incidents). The line of best fit has the equation: y = โ0.85x + 95. A precinct increased foot patrols from 35 hours to 60 hours per month. According to the model, what is the predicted reduction in property crimes?
- 43.75 incidents
- 25.0 incidents
- 17.75 incidents
- 21.25 incidents (Correct answer)
Correct answer: 21.25 incidents
At 35 hours: y = โ0.85(35) + 95 = โ29.75 + 95 = 65.25 incidents. At 60 hours: y = โ0.85(60) + 95 = โ51 + 95 = 44 incidents. Reduction = 65.25 โ 44 = 21.25 incidents. Alternatively, ฮy = โ0.85 ร ฮx = โ0.85 ร 25 = โ21.25, confirming a reduction of 21.25 incidents.
Question 17: Which sentence uses the passive voice correctly in a police report?
- The officer arrested the suspect.
- Arresting the suspect was done by the officer.
- An arrest of the suspect occurred by the officer.
- The suspect was arrested by the officer. (Correct answer)
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 18: During a domestic dispute follow-up visit, the victim states they no longer wish to cooperate with the investigation. How should the investigating officer proceed?
- Document the victim's statement, assess safety concerns, and consult with a supervisor about proceeding in the public interest (Correct answer)
- Charge the victim with obstruction for refusing to cooperate
- Pressure the victim until they agree to cooperate
- Close the file immediately at the victim's request
Correct answer: Document the victim's statement, assess safety concerns, and consult with a supervisor about proceeding in the public interest
Victim recantation is common in domestic cases; the public interest test determines whether the investigation proceeds independent of the victim's wishes.
Question 19: A patrol officer works an 8-hour shift and spends 35% of it responding to calls. How many minutes are spent responding to calls?
- 180 minutes
- 140 minutes
- 168 minutes (Correct answer)
- 160 minutes
Correct answer: 168 minutes
8 hours = 480 minutes; 35% of 480 = 168 minutes.
Question 20: Under the Ontario Human Rights Code, which ground is NOT explicitly protected in the provision of police services?
- Gender identity
- Sexual orientation
- Political affiliation (Correct answer)
- Country of origin
Correct answer: Political affiliation
Political affiliation is not a protected ground under the Ontario Human Rights Code; the other options are explicitly listed protected grounds.
Question 21: A patrol officer responds to a domestic disturbance and determines the situation involves potential mental health crisis. The subject is non-violent but highly agitated. What is the BEST approach?
- Handcuff the subject immediately as a precaution to ensure officer safety
- Engage the subject calmly, use active listening, and request a Crisis Intervention Team if available (Correct answer)
- Leave the scene and refer the matter to social services only
- Arrest the subject for causing a disturbance to remove them from the situation
Correct answer: Engage the subject calmly, use active listening, and request a Crisis Intervention Team if available
CIT-informed approaches using calm engagement and active listening are evidence-based best practices for managing mental health crises safely.
Question 22: A police service has the following policy: 'Officers must activate their body-worn camera (BWC) *before* initiating any investigative or enforcement encounter. A traffic stop is defined as an enforcement encounter.' Officer Davis pulls over a vehicle for speeding but only activates her BWC after she has approached the driver's window and started speaking. Based *only* on these facts, which conclusion is certain?
- The driver of the vehicle was uncooperative.
- Officer Davis forgot to charge her BWC.
- Officer Davis did not follow the BWC policy. (Correct answer)
- The BWC footage will be inadmissible in court.
Correct answer: Officer Davis did not follow the BWC policy.
The policy states the BWC must be activated *before* the encounter begins. A traffic stop is an enforcement encounter. By activating the camera *after* approaching and speaking to the driver, Officer Davis did not adhere to the stated policy. The other options are assumptions or potential consequences, not certain conclusions from the given facts.
Question 23: A table shows response times (minutes): 4, 7, 5, 12, 6, 8, 5. What is the median response time?
- 6 (Correct answer)
- 8
- 5
- 7
Correct answer: 6
Sorted: 4, 5, 5, 6, 7, 8, 12; the middle (4th) value is 6.
Question 24: An officer is the first to arrive at a scene where a person is in crisis and is blocking a major intersection with no apparent criminal offence committed. The officer's primary obligation under the core responsibilities framework is to:
- Immediately transfer scene authority to paramedics as the mental health lead agency
- Detain the individual under the Mental Health Act and await CMHA co-responders
- Maintain public order and safety while assessing the least restrictive and most appropriate intervention (Correct answer)
- Clear the scene as rapidly as possible to restore traffic flow, as this is a core order-maintenance duty
Correct answer: Maintain public order and safety while assessing the least restrictive and most appropriate intervention
Core policing responsibilities require officers to balance public order maintenance with individual rights and the principle of least restrictive intervention. The officer's first obligation is not to detain automatically under the MHA (which requires specific criteria), to prioritize traffic, or to cede authority to another agency without assessment. The officer must assess the situation holistically โ ensuring safety while applying the least coercive intervention appropriate to circumstances โ and may involve other agencies collaboratively, not by automatic hand-off.
Question 25: During a foot patrol, an officer notices a vehicle parked in the same location for three consecutive days with a cracked windshield and expired registration sticker. The officer should:
- Ignore it as a civil matter
- Assume the owner will return and take no action
- Immediately tow the vehicle without documentation
- Record the observation with dates and vehicle description for pattern analysis (Correct answer)
Correct answer: Record the observation with dates and vehicle description for pattern analysis
Documenting repeated anomalies with specific dates and descriptions supports pattern analysis and potential investigative follow-up.
Question 26: 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:
- Through the established command channel, ask the incident commander a single, precise clarifying question that surfaces the tactical rationale โ intervening only if a policy violation or safety threshold breach is identified (Correct answer)
- 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
- 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 โ 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 โ and creates a checkpoint for actual policy or safety threshold violations without disrupting command integrity.
Question 27: A Crown attorney returns an officer's report requesting that 'conclusory language' be removed before trial. Which of the following sentences from the report BEST exemplifies the problem the Crown is identifying?
- 'At 23:14 hrs, the accused struck the victim twice on the left side of the face with a closed fist.'
- 'Based on the totality of evidence, it was clear the accused intended to cause grievous bodily harm.' (Correct answer)
- 'The accused was arrested at 23:31 hrs and transported to 51 Division without incident.'
- 'The victim sustained a 3 cm laceration above the left eyebrow, consistent with a blunt-force impact.'
Correct answer: 'Based on the totality of evidence, it was clear the accused intended to cause grievous bodily harm.'
Conclusory language is when a report writer states a legal conclusion rather than the facts that would lead a trier of fact to that conclusion. 'It was clear the accused intended to cause grievous bodily harm' is a legal determination โ it is for the court to decide intent, not the reporting officer. The officer's role is to document observable facts (injuries, statements, actions). Options A, B, and D are factual and observational, meeting report-writing standards.
Question 28: During a routine traffic stop, an officer notices that the registered owner of the vehicle has a suspended licence, but the driver presents a valid licence in a different name and claims they borrowed the car. The registered owner is not present. Which action is MOST legally defensible?
- Charge the driver as the de facto registered owner because they had care and control of the vehicle belonging to a suspended driver.
- Issue a roadside demand for the driver to prove ownership of the vehicle, and detain them until ownership is confirmed.
- Seize the vehicle immediately on the grounds that its registered owner is suspended, as the car cannot legally be on the road.
- Verify the driver's identity through multiple indices, confirm the vehicle has not been reported stolen, allow the driver to proceed if their licence is valid, and note the registered owner's suspension in the report. (Correct answer)
Correct answer: Verify the driver's identity through multiple indices, confirm the vehicle has not been reported stolen, allow the driver to proceed if their licence is valid, and note the registered owner's suspension in the report.
A valid licensed driver borrowing a vehicle is lawful; the suspension attaches to the registered owner's driving privilege, not the vehicle itself. Seizing the car has no legal basis when it was not reported stolen and the driver is licensed. Demanding proof of ownership and detaining is an unlawful detention absent reasonable grounds. Charging the driver as an 'owner' is legally unsupportable. Proper documentation and identity verification protect the officer's investigation without overstepping authority.
Question 29: During a traffic stop, a driver offers you cash to avoid receiving a ticket. What is the correct response?
- Warn the driver that offering a bribe is an offence but take no further action
- Decline the offer, issue the appropriate ticket, and report the attempted bribe (Correct answer)
- Decline the offer and issue the ticket without reporting the bribe attempt
- Accept it and issue a warning to resolve the stop quickly
Correct answer: Decline the offer, issue the appropriate ticket, and report the attempted bribe
An attempted bribe is itself a criminal offence and must be reported; failing to report it enables corruption.
Question 30: You stop a vehicle and recognize the driver as a city councillor you have met at community events. The driver appears impaired. What is the correct course of action?
- Allow the councillor to call a driver and let them go with a warning
- Contact a supervisor first before conducting any sobriety tests
- Issue a non-criminal roadside warning due to the councillor's public position
- Proceed with standard sobriety testing procedures as you would for any driver (Correct answer)
Correct answer: Proceed with standard sobriety testing procedures as you would for any driver
The law applies equally to all individuals regardless of status or profession; standard impaired-driving procedures must be followed.
Question 31: What is the meaning of 'coerce' in a policing context?
- To offer lawful incentives in exchange for cooperation
- To persuade someone through clear logical argument
- To force someone to act through threats or unlawful pressure (Correct answer)
- To lawfully compel through a properly issued court order
Correct answer: To force someone to act through threats or unlawful pressure
Coerce means to compel someone to do something by using force, threats, or intimidation, which is generally unlawful and unethical for police.
Question 32: During a Sigma reading comprehension passage about use-of-force policy, the text states officers must use 'the minimum force necessary to achieve compliance.' A suspect passively resists by going limp. Which response is MOST consistent with this principle?
- Deploy pepper spray as a first response
- Apply joint lock techniques to guide the subject (Correct answer)
- Draw a firearm to compel movement
- Use a baton strike to motivate compliance
Correct answer: Apply joint lock techniques to guide the subject
Passive resistance calls for control techniques like joint locks โ a proportionate, minimum-force option before escalating.
Question 33: Two eyewitnesses independently observed a suspect fleeing a convenience store theft. Witness A viewed the suspect under sodium-vapour (yellow) streetlights for roughly 45 seconds from 12 metres. Witness B viewed the suspect under full-spectrum LED lighting for approximately 8 seconds from 4 metres at high emotional arousal. When assessing overall identification reliability, which factor MOST undermines Witness B's advantage in proximity?
- Witness A's colour distortion under sodium-vapour light, which actually benefits peripheral feature encoding
- The inverted-U relationship between arousal and memory performance (Yerkes-Dodson), which impairs encoding at extreme stress levels (Correct answer)
- The own-age bias effect, which reduces cross-age facial recognition accuracy irrespective of proximity
- Witness B's shorter exposure duration relative to the encoding threshold for facial features
Correct answer: The inverted-U relationship between arousal and memory performance (Yerkes-Dodson), which impairs encoding at extreme stress levels
The Yerkes-Dodson law describes an inverted-U relationship between arousal/stress and cognitive performance: moderate arousal optimises encoding, but high arousal (as in a highly emotional witness) degrades it. Witness B's proximity advantage is substantially undermined by high emotional arousal impairing encoding of facial details. While short duration (8 seconds) is also a concern, the question asks for the factor MOST undermining the proximity advantage โ the research literature consistently identifies extreme arousal as the more powerful moderator of identification accuracy than duration alone in these conditions. Sodium-vapour light does distort colour but does not benefit feature encoding, and own-age bias is not indicated by the scenario.
Question 34: Which of the following sentences demonstrates correct subject-verb agreement?
- The details of the case is still under investigation.
- The box of evidence files were left on the table.
- Each of the officers have their own patrol car.
- The box of evidence files was left on the table. (Correct answer)
Correct answer: The box of evidence files was left on the table.
The subject of the sentence is 'box,' which is singular. The prepositional phrase 'of evidence files' describes the box but does not change the subject's number. Therefore, the singular verb 'was' is correct. In the other options, 'Each' is singular and requires 'has,' and 'details' is plural, requiring 'are.'
Question 35: An officer writes: 'If the alarm was triggered, a window must be broken. The alarm was triggered.' What is the logically necessary next step in this deductive argument?
- The break-in was recent
- We should check the window
- The window might be broken
- A window is broken (Correct answer)
Correct answer: A window is broken
Modus ponens: if P then Q; P is true; therefore Q must be true โ the window is broken.
Question 36: What does 'affidavit' mean?
- A police report filed after responding to an incident
- A written statement confirmed by oath, used as legal evidence (Correct answer)
- A verbal agreement made between two parties in court
- A type of suspended sentence imposed on an offender
Correct answer: A written statement confirmed by oath, used as legal evidence
An affidavit is a sworn written statement of fact that is confirmed by oath or affirmation and can be used as evidence in legal proceedings.
Question 37: Identify the sentence with a misplaced modifier.
- The detective noticed only the missing wallet.
- Noticing the wallet, the detective filed a report.
- Only the detective noticed the missing wallet.
- The detective noticed the missing wallet only. (Correct answer)
Correct answer: The detective noticed the missing wallet only.
Placing 'only' at the end creates ambiguity about what 'only' modifies in the sentence.
Question 38: A victim of theft refuses to provide a statement because they distrust police. Which approach best upholds ethical community-oriented policing?
- Acknowledge their concern respectfully, explain the process, and offer alternative reporting options (Correct answer)
- Insist on a statement and note refusal in the file
- Close the file since no statement means no case
- Refer them to a community group and close the police file
Correct answer: Acknowledge their concern respectfully, explain the process, and offer alternative reporting options
Addressing distrust with empathy and offering options reflects community policing values and may encourage future cooperation.
Question 39: Division records show 1,240 reported thefts last year. Charges were laid in 31% of cases. Of those charged, 68% were convicted. Of those convicted, 15% received a custodial sentence. Approximately how many individuals from last year's theft reports ended up receiving a custodial sentence?
- 39 (Correct answer)
- 52
- 44
- 27
Correct answer: 39
Step 1 โ Charged: 1,240 ร 0.31 = 384.4 โ 384. Step 2 โ Convicted: 384 ร 0.68 = 261.12 โ 261. Step 3 โ Custodial sentence: 261 ร 0.15 = 39.15 โ 39. The answer is approximately 39 individuals.
Question 40: Select the sentence that correctly uses the words 'their', 'there', and 'they're'.
- There going over their to retrieve they're equipment.
- They're going over there to retrieve their equipment. (Correct answer)
- They're going over their to retrieve there equipment.
- Their going over they're to retrieve there equipment.
Correct answer: They're going over there to retrieve their equipment.
This sentence correctly uses all three words. 'They're' is a contraction of 'they are.' 'There' indicates a place or location. 'Their' is a possessive pronoun indicating ownership.
Question 41: A suspect states they traveled 180 km to a destination. If the speed limit was 90 km/h the entire way, what is the minimum travel time?
- 3 hours
- 2.5 hours
- 1.5 hours
- 2 hours (Correct answer)
Correct answer: 2 hours
180 km รท 90 km/h = 2 hours minimum travel time at the speed limit.
Question 42: A youth you arrested confides during transport that they are being abused at home. You are focused on the current arrest. What should you do?
- Tell the youth to report it themselves once released
- Document the disclosure immediately and initiate a child protection report as required by law (Correct answer)
- Note it mentally and mention it informally to a colleague later
- Finish processing the arrest first, then decide if a report is warranted
Correct answer: Document the disclosure immediately and initiate a child protection report as required by law
Child protection disclosures create an immediate mandatory reporting obligation that runs parallel to any other investigation.
Question 43: 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?
- $66,144 (Correct answer)
- $67,392
- $65,856
- $64,928
Correct answer: $66,144
Night differential = $62,400 ร 12% ร 0.5 = $3,744; total = $62,400 + $3,744 = $66,144.
Question 44: When an Ontario police officer interacts with an Indigenous person, what is a critical consideration related to historical context that should inform their approach?
- To focus solely on the immediate incident without considering any broader social or historical factors.
- To recognize that past government policies, such as the residential school system, have created a legacy of intergenerational trauma and mistrust towards authority figures. (Correct answer)
- To believe that modern treaties and land claim agreements have resolved all historical grievances.
- To assume that all Indigenous people share the same cultural beliefs and traditions.
Correct answer: To recognize that past government policies, such as the residential school system, have created a legacy of intergenerational trauma and mistrust towards authority figures.
Effective and culturally sensitive policing requires an understanding of the historical context of Indigenous peoples in Canada. The legacy of colonialism, including the operation of residential schools where police often acted as agents of the state, has led to deep-seated and justified mistrust of police and other institutions. Acknowledging this history allows an officer to approach interactions with greater empathy and understanding, which is crucial for building trust.
Question 45: During an OACP verbal reasoning section, you read: 'Whenever Officer Park is on duty, response times improve. Response times have not improved. What can you conclude?'
- Officer Park is not on duty (Correct answer)
- Officer Park is not performing well
- Response times will improve soon
- Officer Park needs additional training
Correct answer: Officer Park is not on duty
This is modus tollens: if P then Q; not Q; therefore not P โ Officer Park being on duty would have caused improvement.
Question 46: A witness to a violent assault demonstrates remarkably detailed memory for the attacker's knife โ its blade length, handle colour, and a nick on the blade โ but cannot reliably describe the attacker's face or clothing. Which memory phenomenon most precisely accounts for this pattern?
- Encoding specificity mismatch at the time of retrieval
- Decay of peripheral details caused by the Ebbinghaus forgetting curve
- Selective encoding attributable to the weapon-focus effect (Correct answer)
- Holistic processing failure due to cross-race identification bias
Correct answer: Selective encoding attributable to the weapon-focus effect
The weapon-focus effect describes the well-documented tendency for witnesses in weapon-present crimes to allocate the majority of their attentional resources toward the weapon, at the expense of encoding the perpetrator's facial and clothing features. The result is excellent memory for the weapon paired with poor memory for the suspect โ exactly the pattern described. Cross-race bias affects face recognition specifically and is not triggered here; encoding specificity and Ebbinghaus decay do not explain the intra-event allocation of attention.
Question 47: A victim of a crime refuses to provide a statement. What is the officer's primary obligation?
- Arrest the victim to compel cooperation
- Immediately refer the matter to the Crown
- Close the file since no statement exists
- Continue investigating using other available evidence (Correct answer)
Correct answer: Continue investigating using other available evidence
Officers must continue investigations using all available evidence even when victims decline to provide statements.
Question 48: 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:
- Prevent unconscious transference by separating the witness's memory from the interview room context
- Reduce the witness's anxiety by anchoring them to familiar mental imagery before recounting trauma
- Establish baseline behavioural indicators prior to asking direct questions about the incident
- Activate encoding-specificity pathways, as retrieval is enhanced when reinstatement cues match the original encoding context (Correct answer)
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 49: Which word means 'to officially clear someone of blame or criminal charges'?
- Indict
- Exonerate (Correct answer)
- Prosecute
- Convict
Correct answer: Exonerate
Exonerate means to officially absolve or clear a person of blame, fault, or criminal charges, often based on new evidence.
Question 50: An officer starts facing north. She turns 90ยฐ clockwise, then 180ยฐ clockwise, then 90ยฐ counter-clockwise. Which direction is she now facing?
- West
- South (Correct answer)
- East
- North
Correct answer: South
North โ +90ยฐ CW = East โ +180ยฐ CW = West โ -90ยฐ CCW = South. The officer is now facing south.
Question 51: A precinct logs the following Priority 1 response times (in minutes) for one week: 7, 4, 9, 3, 14, 6, 8, 5, 11, 3. Department policy requires the median response time to be under 7 minutes. Which statement correctly evaluates compliance?
- Compliant; the median is 6.5 minutes. (Correct answer)
- Non-compliant; the mean of 7.0 minutes exceeds the policy threshold.
- Non-compliant; the median is exactly 7.0 minutes.
- Compliant; the median is 6.0 minutes.
Correct answer: Compliant; the median is 6.5 minutes.
Ordered values: 3, 3, 4, 5, 6, 7, 8, 9, 11, 14. With 10 values (even count), the median is the average of the 5th and 6th values: (6 + 7) รท 2 = 6.5. Since 6.5 < 7, the precinct is compliant. The trap in choice B is treating the 5th value (6) alone as the median โ a rule that only applies to odd-numbered data sets. The mean is actually (3+3+4+5+6+7+8+9+11+14) รท 10 = 70 รท 10 = 7.0, but policy references the median, not the mean.
Question 52: During a use-of-force review board, an officer's decision is evaluated using the following chain of reasoning: P1: Any force that exceeds what a reasonable officer would use in identical circumstances is excessive. P2: Officer Chen used a control technique that 70% of surveyed officers would not have used. P3: Therefore, Officer Chen used excessive force. Which specific flaw undermines this syllogism?
- P2 does not establish that a 'reasonable officer' would not have used the technique, only that most surveyed officers would not. (Correct answer)
- P3 introduces new information not contained in either premise.
- P1 is a circular definition that cannot be applied objectively.
- The conclusion requires a unanimous survey result, not merely a majority.
Correct answer: P2 does not establish that a 'reasonable officer' would not have used the technique, only that most surveyed officers would not.
The standard in P1 is what a 'reasonable officer' would do โ a legal and professional standard of competence, not a statistical majority preference. P2 only establishes that 70% of surveyed officers reported they would not have used that technique, which is a preference/survey statistic. It does not logically equate to what a reasonable officer 'would' do under identical circumstances, especially since 30% would have used it, training standards vary, and individual circumstances matter. The syllogism's middle term ('reasonable officer' vs. '70% of surveyed officers') is not logically equivalent, making the argument invalid.
Question 53: Why is it important to document the exact location of evidence within a crime scene in the report?
- To determine which officer is responsible for collecting it
- To comply with municipal property bylaws
- To allow crime scene photos to be deleted later
- To establish the spatial relationship of evidence, which may be critical to reconstructing events (Correct answer)
Correct answer: To establish the spatial relationship of evidence, which may be critical to reconstructing events
The precise location of evidence helps reconstruct the sequence of events and supports or refutes statements made by involved parties.
Question 54: 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 must be the subject of a separate Internal Affairs report filed within 24 hours
- 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 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 โ 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 55: A Six Sigma Black Belt facilitating an OACP crime-reduction project is conducting a Gauge R&R study on a newly introduced evidence-classification rubric. The study returns a %Gauge R&R of 22%. How should the team proceed?
- Repeat the Gauge R&R with more appraisers to automatically reduce the percentage
- Accept the measurement system unconditionally; 22% is below the 30% rejection threshold so no action is required
- Reject the measurement system outright and redesign the rubric before continuing
- Consider the measurement system marginally acceptable, document the risk, and investigate sources of variation before proceeding cautiously (Correct answer)
Correct answer: Consider the measurement system marginally acceptable, document the risk, and investigate sources of variation before proceeding cautiously
Gauge R&R thresholds are: under 10% = acceptable, 10โ30% = marginal (may be acceptable depending on application importance and cost of repair), over 30% = unacceptable. At 22%, the measurement system falls in the marginal zone. For a high-stakes public-safety application like evidence classification, the team must investigate reproducibility vs. repeatability contributors, document the risk, and determine whether the marginal system is adequate for the decision being made โ not simply accept or reject it outright.
Question 56: A patrol sergeant, acting under your command during a high-risk arrest, makes an in-the-moment decision to use a control technique that is within policy but causes unexpected serious injury to the subject. A post-incident review reveals the sergeant did not use available de-escalation time that could have changed the outcome. As the commanding officer, your primary accountability obligation is:
- To conduct or commission a systemic review examining whether training, supervision, and tactical briefing adequately prepared the sergeant for this decision point. (Correct answer)
- To defer entirely to the Professional Standards unit and recuse yourself from any review involvement, as you bear no command accountability for a subordinate's in-the-moment decision.
- To immediately discipline the sergeant, as the outcome of serious injury establishes that the decision was wrong regardless of available options.
- To publicly defend the sergeant's decision without qualification, as undermining officer decisions post-incident damages institutional morale.
Correct answer: To conduct or commission a systemic review examining whether training, supervision, and tactical briefing adequately prepared the sergeant for this decision point.
Command accountability in policing extends beyond the individual actor to the system that produced the decision. Option B reflects the OACP principle that commanders are responsible for the conditions โ training quality, supervision, pre-operation briefing โ that shape subordinate decisions under pressure. Outcome-based discipline (A) conflates a bad result with a bad decision and violates procedural fairness. Full recusal (C) abdicates legitimate command responsibility for systemic factors. Unqualified public defence (D) forecloses necessary learning and accountability. The correct response is systemic review, not reflexive punishment or reflexive defence.
Question 57: A Sigma memory recall segment shows you a street scene for 60 seconds. You later recall that the scene had 3 parked cars, 2 pedestrians, and 1 cyclist. If the actual scene had 4 parked cars, 1 pedestrian, and 2 cyclists, how many individual items did you miscount?
- 3 (Correct answer)
- 4
- 1
- 2
Correct answer: 3
Cars were off by 1, pedestrians off by 1, cyclists off by 1 โ three categories were miscounted.
Question 58: During a Sigma test scenario, a witness states that a suspect 'turned left, then right, then left again' before entering a building. If the witness was facing north, in which direction was the suspect ultimately heading when entering?
- West (Correct answer)
- South
- North
- East
Correct answer: West
Starting facing north, turning left faces west, turning right faces north, turning left again faces west โ so the suspect was heading west.
Question 59: A civilian oversight body formally requests all use-of-force reports for a specific officer over a five-year period as part of an investigation into a complaint. The officer's union representative informs you, as division commander, that releasing the reports without union consultation violates the collective agreement's privacy provisions. Legal counsel advises that the oversight body's statutory authority supersedes the collective agreement in this context. What is the correct course of action?
- Comply with the oversight body's statutory request, while documenting the union's objection and the legal advice received (Correct answer)
- Seek an injunction to pause the oversight investigation until the collective agreement conflict is resolved by an arbitrator
- Withhold the reports until union consultation is complete, to avoid a potential grievance
- Release only the reports that the union specifically approves, redacting the rest
Correct answer: Comply with the oversight body's statutory request, while documenting the union's objection and the legal advice received
Civilian oversight bodies in Ontario derive their authority from statute (e.g., OIPRD, LECA), which generally takes precedence over collective agreement provisions in matters of public accountability. Legal counsel's advice that statutory authority supersedes the collective agreement in this context creates a clear obligation to comply. The appropriate response is to comply with the lawful request while formally documenting the union's objection and the legal opinion โ protecting the organization from both an oversight failure and creating a clear evidentiary record if the union pursues a grievance.
Question 60: A bar chart shows the following incident counts by type: assault 80, theft 120, vandalism 40, fraud 60. What percentage of total incidents does theft represent?
- 30%
- 40% (Correct answer)
- 50%
- 45%
Correct answer: 40%
Total = 300; 120 รท 300 ร 100 = 40%.
OACP PATI Exam
The OACP Police Analytical Thinking Inventory (PATI) assesses analytical reasoning, quantitative reasoning, and written communication skills for Ontario police applicants.
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 โ 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