RELIABILITY OF EWT

RELIABILITY OF EWT

1. SECONDARY DATA

   • BBC NEWS
     • SHOOTING OF A SUSPECT
       • SHOT BY UK POLICE
       • TERRORIST
       • WEARING BULKY JACKET
         • WIRES SEEN
       • JUMPED BARRIER
       • RUNNING
       • STUDENT
       • WEARING DENIM JACKET
       • WALKING
       • HOLDING NEWSPAPER
       • RAN TO CATCH TRAIN

2. SECONDARY DATA

   • FOX NEWS
     • RAPE ACCUSATION
       • BALD AND SHIRTLESS
       • HISPANIC
       • SPONTANEOUS LINE-UP
         • IN A CAR PARK
           • POOR LIGHTING
       • VICTIM IDENTIFIED HIM
         • ONLY GUY NO SHIRT AND BALD
       • WITNESS SAT IN CAR

3. WHY THE INACCURACIES?

   • STEREOTYPES
     • ALLPORT AND POSTMAN (1947)
       • WHITE MAN THREATENING BLACK MAN WITH RAZON
         • EWT STATE BLACK MAN WAS THREATENING
     • TERRORIST
       • RUNNING
       • WEARING BULK JACKET
   • WEAPONS FOCUS EFFECT
     • MAASS AND KOHNKEN (1989)
       • WOMEN WITH A SYRINGE
         • LESS LIKELY TO BE IDENTIFIED
       • WOMEN WITH A PEN
         • MORE LIKELY TO BE IDENTIFIED
   • AROUSAL
     • EFFECT ACCURACY OF RECALL
       • YUILLE AND CUSTHALL (1986)
         • CENTRAL WITNESSES HAD GREATER ACCURACY OF RECALL
         • PERIPHERAL LESS ACCURACY
   • ETHNICITY
     • DIFFICULT TO IDENTIFY
     • SCHECK ET AL (2001)
       • MORE MISTAKES MADE
         • WHEN IDENTIFYING ACROSS RACE
       • 44% MISTAKES WHITE TO BLACK
       • 25% MISTAKES WHITE TO WHITE