OACP Observation and Memory Skills 5

Question 1

An officer observes a fight involving five individuals. After the altercation, they must identify who threw the first punch. The most reliable approach is to:

Accepted Answer

Gather accounts from multiple independent witnesses and compare them for consistency

Answer

Comparing multiple independent witness accounts identifies consistent details that are more likely to reflect what actually occurred.

Question 2

A suspect is described as having a 'medium build.' In a formal police description, this term should be:

Accepted Answer

Replaced with specific measurements such as estimated weight and height range

Answer

Specific measurements like estimated weight range (e.g., 160–180 lbs) and height (e.g., 5'9"–5'11") are more precise and useful than vague terms like 'medium build.'

Question 3

An officer notices that two witnesses give nearly identical accounts of a robbery using very similar phrasing. The officer should consider that:

Accepted Answer

The witnesses may have discussed the event together before being interviewed separately

Answer

Witnesses who share accounts before separate interviews can contaminate each other's memories, making overly similar phrasing a flag for pre-interview communication.

Question 4

During a surveillance operation, an officer must track five individuals moving through a crowd. Which strategy best supports accurate observation across multiple targets?

Accepted Answer

Use a systematic scanning pattern while anchoring on distinctive features of each individual

Answer

A systematic scanning pattern combined with anchoring on distinctive features (clothing color, gait) allows an officer to track multiple individuals without losing any single target.

Question 5

The 'weapon focus effect' in eyewitness memory refers to:

Accepted Answer

Reduced attention to the perpetrator's face when a weapon is present, impairing identification

Answer

The weapon focus effect occurs when a witness's attention is drawn to a weapon, reducing encoding of the perpetrator's facial features and impairing later identification.

OACP - Ontario Association of Chief of Police Practice Test

OACP - Ontario Association of Chief of Police Practice Test

OACP Observation and Memory Skills 5