Feshbach 1979a.

Methods	Randomisation by table of random numbers.
Participants	60 grade 3‐5 students nominated by teacher ratings of aggressive behaviour.
Interventions	I1: Empathy training (cognitive and behavioural) (3 x 60 minute sessions per week for 10 weeks) I2: Empathy training (cognitive only) (180 minutes for 10 weeks) P: Problem solving skills training (90 minutes per week for 10 weeks) C: No intervention
Outcomes	(1) Ratings of aggressive behaviour, teacher (blinding unclear) (2) Classroom observation
Notes	Data collection unclear.
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Unclear risk	B ‐ Unclear