How did Johnson and Scott conduct their investigation?
Participations in a laboratory were asked to wait in the reception area, where a receptionist excused herself to run an errand, leaving the participant alone
What were the two conditions in Johnson and Scott’s experiment?
One was a casual conversation overhead and seeing the confederate walk out with a pen covered in grease; the other involved a heated exchange the confederate with a knife covered in blood
How many photos were the participants asked to overlook in Johnson and Scott’s study?
50 photos
How many participants had correctly identified the target in Johnson and Scott’s study?
In condition A: 49%; in condition B: 33%
How does Loftus support Johnson and Scott’s findings?
Claimed that participants who were exposed to the knife experienced greater levels of anxiety due to the weapon focus effect; reducing accuracy of eyewitness testimony
What did Christianson and Hubinette (1993) find?
Anxiety positively impacts recall
How did Christianson and Hubinette conduct their study?
Questioning of 58 witnesses to a bank robbery in Sweden; witnesses were either victims (bank tellers) or bystanders
When did Christianson and Hubinette conduct their interviews?
4-15 months after the robbery
What were Christianson and Hubinette’s findings?
Witnesses showed generally good recall of the robbery (75%); those who were most anxious had the best recall
What Christianson therefore conclude?
Memory for negative events is better than for neutral events, concerning central details