Elena wanted to conduct a meta-analysis to compare the effectiveness of family-based therapy versus individual cognitive behavioural therapy (CBT) for adolescent eating disorders. She restricted her search to peer-reviewed studies published between 2010 and 2020.
Describe how Elena may have carried out her meta-analysis.
638 exam-style questions on Edexcel A Level Psychology Methods. Each one has a worked solution and a mark scheme showing where the marks go.