PSYC 2400 Lecture Notes - Lecture 5: Internal Validity, Working Memory, Free Recall
5 Feb 2018
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Document Summary
Memory processing: encoding storage retrieval, encoding. Estimator & system variables: estimator variables, not under the control of the cjs, ex. witness characteristics, lighting conditions, must estimate their impact after the fact, system variables, under the control of the cjs, ex. interview style, lineup procedure. Research methods: laboratory studies, accounts for almost 100% of studies, field studies, high external validity (looking at genuine victims & crime), poor internal validity. Estimator: violence: deffenacher (1983) the yerkes-dodson. Law: eyewitnesses have an optimal zone of arousal, performance is at its best when arousal is moderate. Police lineups: system variables, lineup presentation, photo spread (ca & cp) Recommendations: lineup members should fit the description of culprit provided by the witness. Purpose of a police interview: gather accurate, detailed & complete information. Standard police interview (si: frequent interruptions, closed questions, leading questions, confusing questions, judgmental comments.
