Incorrect information given to eye witnesspost event
Leading questions
Post event discussion
leading questions
the way it‘s worded might influence how respondent answers. loftus says subtle change to word affect eye witness testimony
post event discussion
between two co-eyewitnesses. gabbert, post event discussion influence accuracy of eye witness testimony of individual eye witness contaminated by being exposed to memories of other eye witnesses
leading question studies
loftus and palmer
loftus and palmer
loftus and zaniness
loftus
loftus and palmer 1
video clip of traffic accent
45 participants
‘how fast were the cars going when they ? eachother’
most severe- smashed, 41 mph
least sever— contacted, 32 mph
Loftus and palmer 2
Video of traffic accident (no broken glass)
150 participants
50- smashed, 50- hit, 50- control group
1 week later ‘did you see any broken glass’
Smashed - 32% yes
Hit- 14% yes
loftus and zanni
video of traffic accident (no broken headlight)
‘did you see a broken headlight?’ or ‘did you see the broken headlight‘ (leading qustion)
the - more than 2x likely to say yes
loftus
slides showing theft of red purse from handbag
account of theft allegedly written by professor of psychology
included ‘ purse was brown’
all but 2 people rejected statement
explanations of leading questions
substitute explanation
response-bias explanation
Substitute explanation
Wording of leading question changes participants perception of event. Perception stored in memory of event
Supports reconstructive memory hypothesis - info gathered at time of event modified by data gathered after, reconstruct memory to combination of what actually saw and misleading information
response biasexplanation
wording of questions doesn’t lead to creation of false memory, influences how they decide to answer