Dr Aris decided to conduct research on professional esports players' cognitive fatigue during a high-stakes championship season. She analysed the quantitative data gathered from the players' daily reaction time tests (in milliseconds) and the qualitative data gathered from their subsequent semi-structured post-match written diary entries.
Justify why Dr Aris gathered both quantitative and qualitative data in this study.
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.