PSY 344 Lecture Notes - Lecture 15: Observer-Expectancy Effect, Psych, Eyewitness Memory
Document Summary
Man who robbed bank put tinfoil on their teeth to disguise. Later that was the only thing the teller could remember about them. Somehow covering hair changes our perception of other facial characteristics. No hat= eyewitness recognizes with 45% accuracy rate. When defendant and eye-witness same race- recognizes easier. Cross race effect-when eyewitness and defendant different race- accuracy goes down. When different = 1. 5x more likely to make incorrect identification . Small decline if you grow up in a different culture/ greatly exposed to . Totally different when trying to recognize voice. Different process: system variables- factors that influence eyewitness memory that happen after the crime. (how tested/questioned. ) Related to factors that the legal system can control. The sooner asked, the better/ more accurate. Studies suggest that our memories begin to decay immediately. After certain amount of time, remembering seems to go through a peak. Ex: police unwittingly give information to the defe(cid:374)da(cid:374)t a(cid:374)d the(cid:455) the(cid:374) (cid:862)re(cid:373)e(cid:373)(cid:271)er(cid:863) that i(cid:374)fo later.
