Sarah decided to conduct research on secondary school teachers' work-related fatigue during the GCSE exam season. She analysed the quantitative data gathered from the teachers' weekly self-report tiredness scales (from 1 to 10) and the qualitative data she gathered from subsequent focus group interviews.
Justify why Sarah gathered both qualitative and quantitative data in her investigation.
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.