Penrod & Cutler Flashcards
what subsection is p+c apart of ?
witness appeal
what other studies are apart of this subsection ?
castellow
penrod and cutler
ross
what did p+c look into?
witness confidence
what is the effect of witness confidence ?
if a witness is confident and remember the crime clearly , the jurors tend to think the person knows what they are talking about even though can be 100% wrong
what did p+c look into?
the effect of witness confidence
what was the aim of p+c research?
a study conducted to examine jurors sensitivity to eyewitness identification evidence , examining factors such as confidence
what method was used ?
a mock trial scenario and independent measures design
who were the participants?
129 p/s eligible and experienced jurors from dane county , Wisconsin
what were the participants asked to watch?
a videotaped trial that involved an eyewitness identifying an armed robber
what was manipulated during the study?
ten ivs were associated with identification given out randomly
what are examples of the ivs ?
disguise: heavily or lightly disguised
retention interval: did it happen 2 days or weeks ago?
witness confidence : did the witness claim to be 100 or 80% confident with identification
what were the participants asked to do after watching the film?
decide whether the robber was guilty or not
what was the findings ?
witness confidence was the only statistically significant variable
what was the result of the witness confidence condition?
100% produced a guilty verdict 67% of the time
80% produced a g/v 60% of the time
differences aren’t huge but they are statically significant (p
what was the conclusion?
concluded the confidence of the eyewitness is the most powerful predictor of verdicts , even if the judge advises the jury not to put too much faith in eyewitness testimony
