Feshbach 1979b.

Methods	Randomisation by table of random numbers.
Participants	98 grade 3‐4 students teacher and peer nominated on ratings of social behaviour.
Interventions	I1: Empathy training (cognitive and affective) (90 minutes per week for 10 weeks) P: Problem solving skills training (90 minutes per week for 10 weeks) C: No intervention
Outcomes	Ratings of aggressive behaviour, teacher (blinding unclear).
Notes	Data collected at 0 and 6 months.
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Unclear risk	B ‐ Unclear