Anxiety and EWT - MEMORY Flashcards
define anxiety
an unpleasant state of increased physiological arousal
define cognition
the capacity to process information
what did Christianson and Hubinette (1993) suggest
‘anxiety helps make stronger memories’
what did Johnson and Scott (1976) suggest
‘anxiety makes memory formation worse’
what were the aims of both Christianson & Hubinette (1993) and Johnson and Scott (1976)
to investigate the effect of anxiety on eye witness recall (EWT)
who were the ppts used in Christianson and Hubinette (1993)
58 real bank robbery witnesses
how long ago were the incidents witnessed by ppts (Christianson and Hubinette - 1993)
4-15 months
what are the IVs of Christianson and Hubinette (1993)
Victim of crimes (bank teller - threatened etc) and bystanders
what is the DV of Christianson and Hubinette (1993)
detail match to CCTV
what were the findings of Christianson and Hubinette (1993)
all victims above 75% average accuracy
victims reporting more anxiety had better recall
what was the conclusion of Christianson and Hubinette (1993)
semantic/episodic memory formation is better when anxious
what happened in Johnson and Scott (1976)
ppts invited to lab study, heard an argument in other room and someone runs past them holding either greasy pen or bloody knife
what are the IVs of Johnson and Scott (1976)
whether the confederate running past was holding a greasy pen or bloody knife
what is the DV of Johnson and Scott (1976)
ID of criminal accuracy (%)
findings of Johnson and Scott (1976)
average accuracy of recall (of person running) - pen : 49%, knife : 33%
