Loftus Flashcards
what is the aim of this study?
to provide evidence for the weapon focus effect when witnessing a crime
what was the method used?
lab
what was the participant size ?
36 students
where were they from?
university of Washington 18-31
how were they recruited?
half through advertisements and were paid $3.50 for their participation , the other half competed in exchange for extra credit in psychology classes
what were the slides like?
2x 18 slides 35mm and shown for 1.5 seconds each
were did the slides take place ?
taco time
what was the difference between the control and experimental condition?
control- person b hands cashier a cheque
experimental- person b pulls out a gun
what was the iv ?
cheque or gun (weapon or not)
what was the dv?
measured by a 20 item questionnaire
what were the participants also given?
a 12 head line up
what were they asked about the line up?
their identification and how confident they were of their decision on a scale of 1-6 (1=guess 6=very sure)
what was the finding on the questionnaire?
no significant difference between the two conditions on questionnaire
what was the chance line up calculated to be?
8.5%
how many people chose the correct person b in the line up between the conditions ?
control - 7 people
experimental - 2 people
result significant at >0.05
