Ethical guidelines should be followed in all psychological research.

Mark scheme

Marking points from the official mark scheme (Feb/Mar 2019). The mark or mark type is shown in brackets.

1. [2] 1 mark for basic explanation, 2 marks for full explanation. so that participants know about the study = 1 and are able to agree to what they will do = 1 for example: So that participants are fully informed about the study = 0 So that participants are told enough about the study that they can decide if they want to do it = 2
2. [2] 1 mark for basic explanation, 2 marks for full explanation. to reduce demand characteristics; so that participants are less likely to work out the aim; so that the participants do not try to do what the researcher wants; so what is measured is more realistic; so that changes in behaviour are due to the intervention / the IV;