Podcast
Questions and Answers
What was the main difference between the intentional and incidental conditions in the study?
What was the main difference between the intentional and incidental conditions in the study?
- Participants in the incidental condition received a more detailed instructions.
- Participants in the intentional condition were not asked to remain silent.
- Participants in the intentional condition were told to focus for a memory test. (correct)
- Participants in the incidental condition were required to report changes.
What percentage of participants reported noticing the change in the study?
What percentage of participants reported noticing the change in the study?
- 60%
- 50%
- 39% (correct)
- 25%
Which group had a higher detection of change in the study?
Which group had a higher detection of change in the study?
- Only female participants detected change.
- Participants from the intentional condition. (correct)
- Both groups detected change equally.
- Participants from the incidental condition.
What was the result of the hierarchical log linear analysis regarding gender?
What was the result of the hierarchical log linear analysis regarding gender?
What precaution was taken regarding the debriefing of participants?
What precaution was taken regarding the debriefing of participants?
What percentage of participants did not notice the identity change of the burglar?
What percentage of participants did not notice the identity change of the burglar?
What was the primary focus of the authors' research?
What was the primary focus of the authors' research?
Which condition represented participants who were briefed to remember the film's content?
Which condition represented participants who were briefed to remember the film's content?
How were participants grouped for the study?
How were participants grouped for the study?
What was the main factor that correlated with content recall scores and identification accuracy?
What was the main factor that correlated with content recall scores and identification accuracy?
What characteristic of the burglars differed significantly between the two actors?
What characteristic of the burglars differed significantly between the two actors?
Which question was NOT included in the content questionnaire provided to participants?
Which question was NOT included in the content questionnaire provided to participants?
What was the height difference between the two actors playing the burglars?
What was the height difference between the two actors playing the burglars?
Flashcards
Eyewitness Identification
Eyewitness Identification
The process of recognizing a person suspected of a crime based on prior observation.
Change Blindness
Change Blindness
A failure to notice changes in a visual scene.
Intentional Memory Task
Intentional Memory Task
A task designed to encourage people to remember details consciously.
Incidental Memory Task
Incidental Memory Task
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Awareness of Change
Awareness of Change
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Content Recall
Content Recall
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Accuracy of Identification
Accuracy of Identification
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Video Enactment of Burglary
Video Enactment of Burglary
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Experimental conditions
Experimental conditions
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Change Detection
Change Detection
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Instructional Condition
Instructional Condition
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Significant effect (χ²)
Significant effect (χ²)
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Gender effect
Gender effect
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Study Notes
Eyewitness Identification Study
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Study Design: Participants watched a 2-minute video of a burglary, where the burglar's identity changed midway. Half received instructions to intentionally remember (intentional condition), while the other half viewed it incidentally (incidental condition).
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Participants: 80 participants (40 men, 40 women), aged 15-65. Majority employed, with some in domestic care or student status.
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Video Content: The video depicted a burglary from a student house. Two actors played the burglar, differing in height (1.70m vs. 1.88m) and build.
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Testing Procedure: Participants completed a questionnaire about the video, including open-ended questions about the burglar's appearance and seeking awareness of any change. A lineup was presented post-video for identification.
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Key Findings:
- Change Blindness: 61% of participants failed to notice the identity change.
- Intentional vs. Incidental: Participants in the intentional condition had significantly higher recall rates and detection rates of the change.
- Awareness and Accuracy: Awareness of the change correlated with better recall and identification accuracy.
- Gender Effect: In the intentional condition, more women than men noticed the change; no gender difference was seen in the incidental condition.
- Statistical Significance: The study utilized chi-square tests and hierarchical log-linear analysis to demonstrate significant differences between conditions.
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