In Bandura, Ross and Ross (1961), 72 children took part. 24 children were in the control group and the rest were in the experimental groups.
Calculate the ratio of children in the control group to children in the experimental groups. Give your answer in its simplest form.
36 exam-style questions on Edexcel GCSE Psychology 6.2 Studies, covering 6.2.1 Bandura, Ross and Ross (1961) and 6.2.2 Charlton et al (2000). Each one has a worked solution and a mark scheme showing where the marks go.