An educational psychologist is investigating the effectiveness of two different online reading platforms, 'LexiaLearn' and 'ReadRapid', on the vocabulary acquisition of primary school children.
Explain how the psychologist could match the children on their baseline reading age (in months) across the two experimental conditions.
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.