Explain why following ethical guidelines can cause demand characteristics.

Mark scheme

Marking points from the official mark scheme (Oct/Nov 2020). The mark or mark type is shown in brackets.

1. [1] 1 mark for brief explanation, 2 marks for fully correct explanation
2. [] OR
3. [1] 1 mark for accurate definition of demand characteristics + 1 mark for why these are worsened by a brief/informed consent
4. [1] Following the guideline of informed consent makes demand characteristics more likely = 1
5. [2] Demand characteristics are the features of the experimental situation (characteristics) that tell the participants what the requirements of the experiment are (demands) and they are more likely if the study is ethical, so the participants have not been deceived / if the participants have given fully informed consent = 2