From the study by Bandura et al. (aggression):

Mark scheme

Marking points from the official mark scheme (Feb/Mar 2022). The mark or mark type is shown in brackets.

1. [1] 1 mark per correct point made
2. [1] 72 in total
3. [1] Split evenly across gender/36 male and 36 female
4. [1] Enrolled at Stanford University Nursery School
5. [1] Age range of 37–69 months
6. [1] Mean age of 52 months
7. [1] Split into eight experimental groups (and one control).
8. [2] 2 marks full result (with meaningful comparison)
9. [1] 1 mark partial/brief result (no meaningful comparison)
10. [2] e.g. Males showed more aggressive gun play than females (across all conditions)
11. [2] Males showed more aggressive gun play when the model was male and aggressive than females
12. [2] There was little difference in aggressive gun play in male participants when the model was aggressive or non-aggressive
13. [1] Male participants showed more gun play
14. [1] Female participants showed less gun play