Charlton et al. used fixed cameras to record two weeks of playground free play four months before television arrived, and again in 2000.
Explain why Charlton et al.'s method has higher ecological validity than the procedure used by Bandura, Ross and Ross (1961).
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.