In the study by Canli et al. (brain scans and emotions), one variable was investigated by comparing neutral and negative scenes.
- (a)Is this an independent or a dependent variable? Include a reason for your answer.[1]
- (b)Outline how Canli et al. operationalised this variable.[1]
Mark scheme
Marking points from the official mark scheme (May/June 2018). The mark or mark type is shown in brackets.
- 1 mark for reason for it being the independent variable
- the independent variable because it is being manipulated;
- the IV because Canli et al. created two conditions;
- the IV because there were two conditions of normal/neutral or unpleasant/negative;
- 1 mark for operationalisation.
- pictures were either normal/neutral because they were not arousing or unpleasant/negative because they were highly arousing;
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