Line ups Flashcards
Pozzulo et al
[ Line-ups] The main psychology being investigated.
o False positive response.
o Eye witness testimony.
[ Line-ups] Aim?
To explore the effect of cognitive and social factors on children’s ability as an eye witness compared to adults.
[Line ups] Hypothesis
o Children will be as good as adults at identifying cartoon face in target present line-ups.
o Children will be worse than adults at rejecting cartoon faces in target absent line ups.
o Adults will be better than children at identifying human faces in target present line-ups.
o Adults will be better than children at rejecting human faces in target absent line-ups.
[ Line-ups ] Research Method
Laboratory Experiment.
[ Line-ups ] Experimental design? (For adult and children comparison)
Independent measures design.
[ Line-ups ] Experimental design? ( For Target present and target absent Line-ups)
Repeated measures design.
[ Line-ups ] IV:
o Age.
o line-up type.
o level of cognitive demand.
[ Line-ups ] DV:
whether correct face if present and empty silhouette if not identified.
[ Line-ups ] Sample:
o Total:112.
o 59 Child participants: 21 females and 38 males.
o 53 Adult participants: 36 females and 17 males.
The human targets were?
2 Caucasian kids
Human target stimulus material
video: 6 sec long shows a woman brushing her hair and a man putting on his coat. Showed the Defendants face for 2-3 sec. In colour no sound
Photo arrays: photographed in different clothes. 4 foil photographs. Similar in terms of facial features. hair length and colour. Cropped to include to include only face neck and top of the shoulder.
Cartoon face stimuli material
Video : 6 Sec clip of Dora the explorer talking to the audience and go Diego go putting on gloves, showing their face for 2-3 secs, in colour with no sound.
Photo arrays: still images of the two characters, four foils, most similar to the cartoon in terms of facial features, hair and colour. Only face visible.
[ Line-ups ] controls
o All photographs were black and white.
o The female experimenters wore casual-professional clothing: sweater/ blouse with dress pants.
Filler Question?
1st Q: WHAT DID THE CARTOON CHARACTER/PERSON LOOK LIKE?
[children]: DO YOU REMEMBER ANYTHING ELSE?
DO YOU REMEMBER ANYTHING FROM THE VIDEO?
[Adult] DO YOU REMEMBER ANYTHING ELSE ABOUT THE CARTOON CHARACTER/PERSON.
Results. [ Line-ups ]
o All the hypothesis correct.
o Children significantly better at rejecting cartoon faces than human faces.
o adults more accurate at rejecting cartoon faces than human faces.
o Children significantly better at Identifying cartoon faces than human faces.
o Adults significantly better at rejecting cartoon faces than human faces.
