Practise Edexcel Psychology questions reducing experimenter effects and demand characteristics through standardised procedures, controls and participant instructions.
Kaleb investigated the effect of leading questions on eyewitness recall. He showed a video clip to 30 participants and then asked them three questions about what they had seen in the video clip. The experimental group was asked the same three leading questions, the control group was not asked any leading questions.
The results are shown in Table 3.
Table 3
Give two reasons why Kaleb used standardised questions in his study.
(2)
1
2
Bartlett (1932) suggested that memory is reconstructive.