memory failures

Question 1

changed blindness

Answer 1

failure to notice a change in visual stimulus
can effect EWT

Question 2

CASE STUDY - 1975

Answer 2

manager kidnapped and opened safe
knew car and hispanic
3 days later - 2 guys arrested and convicted - did not look like sketch and had alibis

Question 3

wrongful convictions and EWT

Answer 3

before dna EWT was only thing
69% of 365 wrongful convictions were down to poor EWT

Question 4

leading questions effecting EWT LOFTUS AND PALMER

Answer 4

how u ask it
- ppts watched car crash vid, then asked how hard the car hit, collided, bumped, smashed, contacted. fasted = smashed, slowest = contact.

Question 5

false information and memory failures

Answer 5

recall false and true events, even after they were told they were false 24% still recalled them

Question 6

perceptual load - MURHY AND GREEN effecting EWT

Answer 6

video and driving sim, low vs high (how much going on) recall of events is less accurate w high.

Question 7

stress effecting EWT

Answer 7

demands go beyond cope.
fight vs flight - body becomes exhausted over long period
DEFFENBAUCHER - 450 ewt, high stress neg effects accuracy. greater accuracy w suspect present
high cortisol means more likely to recall false info
MORGAN - army men trained to withstand stress still recalled false info and poor accuracy

Question 8

violence effecting EWT

Answer 8

weapons focus LOFTUS - 33% accuracy w weapon, 49% accuracy without.
eye tracking - ppts focused more on gun than control water bottle
LOW ECOLOGICAL VALIDITY

Question 9

real life EWT - police brutality

Answer 9

shot him once already immobilised - only 1 police said this happened, but video shows multiple shots after. bias levels

Question 10

neuro-explanations of memory failures

Answer 10

familiarity vs recollection