Eye Witness Testimony - Misleading Information Flashcards
define eye witness testimony
The ability of people remembering the details of events they have observed
such as crimes
define leading questions
A question that dictates/suggests a certain answer
to do with how the question is phrased
define misleading information
info that affects what a witness remember about an event
What does leading questions and post event discussion lead to?
misleading information
What study focuses on leading questions?
Loftus & Palmer (1974)
Loftus & Palmer - Aim
To investigate the effects of different types of questions on responses to speeds of crashing cars
Loftus & Palmer - method
ppt watched clips of car crash
they given questions about the accident
critical question (leading question) ppt asked to describe how fast the car was travelling
5 groups - each given different verb in CQ
what were the 5 different verbs used in Loftus & Palmer research?
hit
contacted
collided
bumped
smashed
Loftus & Palmer - results
contacted group (mean estimated speed) - 31.8%
‘smashed group’ (mean estimated speed) - 40.5%
Loftus & Palmer- conclusion
leading questions lead to bias answers
What do leading questions lead to? / why do they occur?
response bias
substitution
what is response bias?
when the wording has no affect on the memory
just influences how they decide to answer
what is subsitution?
wording of the questions changes the memory
define post event discussion (PED)
When multiple witnesses discuss the event that happened
who did research into post event discussion ?
Gabbert et al
