Weapon Focus- Johnson and Scott 1976
Participants sat in a waiting room where, from the adjoinign room, they could hear an argument. a man with either a pen covered in grease or a knife covered in blood ran out of the room.
Man w. a pen= 48% accurate
Man w. a knife= 33% accurate
suggest that ew attention is instictively drawn toward the weapon to asses the danger
Anxiety has a positive effect- Christianson and Hubinette
When interviewing real life witnesses of bank robberies from 4-15 months afterwards, with victims (those closely involved- high anxiety) and bystanders (those less involved- low anxiety) generally good recall was shown. Better than 71% accurate recall showing that anxiety has a positive effect on memory
The observation that arousal has a negative effect when it is very low or very high, but at moderate levels can be beneficial.