An educational statistician is planning a study to investigate the correlation between high school students' screen-time habits and their mathematics test scores. The study involves collecting daily screen-time logs from the students' smartphones and linking this data to their end-of-term assessment grades.
Outline how the statistician should obtain informed consent from the participants before commencing this study.
689 exam-style questions on AQA A Level Psychology Scientific processes. Each one has a worked solution and a mark scheme showing where the marks go.