Memory - Eyewitness Testimony

Question 1

What did JOHNSON and SCOTT do and find?

Answer 1

1. Overheard a low key discussions, someone emerged from the room with pen and grease on their hand. 49%
2. Overheard a heated and hostile exchange, with breaking glass and chairs being thrown and someone emerged from the room holding a knife with blood. 33%

Question 2

Evaluation of JOHNSON and SCOTTS study

Answer 2

✖️ethical issues/ psychological harm/ blooded knife

✖️laboratory experiment/lacks ecological validity/ generalise findings

Question 3

What did LOFTUS and PALMER do and find?

Answer 3

Film of a car crash then asked them to recall how fast the cars were going 
Contacted:31
Hit:34
Collided:39
Smashed:41

Question 4

Evaluation of LOFTUS and PALMERS study

Answer 4

✖️sample biased/45 uni students/cannot extrapolate the findings
✖️lacks mundane realism/ not realistic as its a video

Question 5

What are the factors effecting eyewitness testimony?

Answer 5

People often become anxious when they are in stressful situations, this can lead to increase heart rate.