What is the main difference between a Standard Police Interview and a Cognitive Interview?

A standard interview is interviewer-led, using closed questions and frequent interruptions, whereas a Cognitive Interview is witness-led, using open questions and memory-enhancing techniques based on psychological principles.

How does 'Changing Perspective' differ from 'Mental Reinstatement of Context'?

Changing Perspective involves imagining the event from another person's physical or psychological viewpoint to disrupt schemas, while Mental Reinstatement involves returning to one's own original state and environment to access context-dependent cues.

What is the distinction between the original Cognitive Interview and the Enhanced Cognitive Interview (ECI)?

The original CI focuses on the four cognitive retrieval techniques, while the ECI adds social elements such as building rapport, managing eye contact, and reducing witness anxiety to improve the overall communication process.

What is a common misconception about the accuracy of the Cognitive Interview?

A common error is assuming the CI only increases correct information; in reality, while it significantly boosts correct recall, it can also lead to a slight increase in the amount of incorrect information reported.

Why is it a mistake to interrupt a witness during a Cognitive Interview?

Interruptions break the witness's concentration and disrupt their internal search through memory, which can lead to the loss of fragile retrieval cues and reduce the overall effectiveness of the technique.

What is the risk of using 'Change Perspective' with very young children?

Young children may struggle with the cognitive demand of taking another's perspective and might inadvertently start to confabulate or guess, leading to decreased accuracy in their testimony.

Define the 'Encoding Specificity Principle' in the context of memory retrieval.

It is the theory that memory is most effective when the information available at the time of retrieval (cues) matches the information that was present at the time the memory was first stored (encoded).

What does the 'Report Everything' technique entail?

Witnesses are encouraged to provide every detail they can remember, even if it seems irrelevant or incomplete, as these details can trigger other, more important memories through association.

What are 'Schemas' and why are they relevant to the Cognitive Interview?

Schemas are mental frameworks or expectations about how the world works; the CI uses techniques like 'Reverse Order' to prevent these expectations from 'filling in' gaps in actual memory with false information.

Why does 'Reversing the Order' help improve the accuracy of a witness's account?

By recalling events backward, witnesses cannot rely on their expectations of a typical timeline (schemas), forcing them to focus more intensely on the actual details of the specific event they witnessed.

Improving the Accuracy of Eyewitness Testimony: Cognitive Interview | AQA AS-Level Psychology

Improving the Accuracy of Eyewitness Testimony: Cognitive Interview

Summary

The Cognitive Interview (CI) is a specialized questioning technique designed by Fisher and Geiselman to enhance the retrieval of accurate information from eyewitnesses. By applying psychological principles of memory—specifically encoding specificity and the multi-component nature of memory—the CI aims to provide multiple retrieval paths to a single event while minimizing the influence of expectations and schemas.

1. Definition & Core Concepts

Cognitive Interview (CI): A method of interviewing eyewitnesses which involves using various cues and techniques to improve the quality and quantity of recalled information. It was developed as an alternative to the 'standard' police interview, which often relied on closed questions and frequent interruptions that disrupted the witness's memory flow.
Theoretical Foundation: The CI is rooted in the Encoding Specificity Principle, which suggests that memory retrieval is most effective when the cues present during retrieval match those present during encoding. It also acknowledges that memory is not a single 'tape recording' but a complex network of associations that can be accessed through different routes.
Goal of the Technique: The primary objective is to increase the amount of accurate detail provided by a witness without increasing the level of confabulation or false memories. It shifts the focus from the interviewer's agenda to the witness's mental state and memory structure.

Diagram showing the four core techniques of the Cognitive Interview branching from a central concept.

2. The Four Core Techniques

Mental Reinstatement of Context: The witness is encouraged to mentally return to the scene of the incident, imagining the environment (e.g., weather, lighting) and their internal emotional state at the time. This technique utilizes context-dependent memory cues to trigger further recollections that might otherwise remain inaccessible.
Report Everything: Witnesses are asked to include every single detail of the event, even if it seems trivial or irrelevant to the investigation. Small details can act as 'trigger' cues for more significant memories, and they help build a more complete picture that might corroborate other evidence.
Reverse the Order: The interviewer asks the witness to describe the events in a different chronological sequence, such as starting from the end and working backward. This prevents the witness's pre-existing schemas (mental frameworks of how events usually happen) from filling in gaps or influencing the recall of what actually occurred.
Change Perspective: The witness is asked to recall the incident from the viewpoint of another person present, such as a different witness or even the perpetrator. This technique is designed to disrupt the influence of personal expectations and schemas, potentially revealing details that were encoded but not prioritized from the witness's own perspective.

3. The Enhanced Cognitive Interview (ECI)

4. Key Distinctions

5. Exam Strategy & Tips