eye witness testimony Flashcards
who investigated negative anxiety
what did they do
johnson and scott
weapon on eyewitness testimony
who investigated misleading information and how
loftus and palmer (1974)
measure leading questions after watching car crash vids
(verb used-crashed ect)
Harsher the verb the higher the estimated speed
who investigated post event discussion and how
gabbert et al
watched a video, one group discuss after, other doesn’t, 71% of discussion group recalled false information
Control had 0%
Memory conformity or memory contamination
Strength of misleading information
Real world application- helps the justice system so the police are ore careful with their questions
What is a limitation of misleading info on eye witness testimony
It’s an artificial experiment so it can’t generalise to the wider world
What’s a limitation of post event discussion
Ewt can be accurate sometimes as they remember central details just not the peripheral so the memories survived an they weren’t distorted
Who researched into anxiety being positive on eye witness testimony and what did they do
Yuille and cutshall 1986
Study of actual shooting compare interview from first happed to 4 months late, rate stress on a 7 point scale and 88 percent accuracy of high stress and 75 for less stress
Strength of Johnson and Scott
Research support from valentine 2009
Measure low high anxiety groups in London dungeons
High anxiety couldn’t member anything about the actor
Limitation of Johnson and Scott
Didn’t measure the anxiety people could’ve been surprised rather than shocked
Strength of yuille and cutshall
Swedish bank rob witness interviewed
Direct victims had the most accurate recall
