A psychologist wanted to conduct a follow-up study to investigate whether participants with high daily screen time differed from those with low daily screen time in relation to their attention span. To do this, she needed to decide how to measure her dependent variable and how to analyse the data she collected.
Identify the independent variable and the dependent variable in this follow-up 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.