A researcher was interested in the relationship between individuals' social anxiety and their public speaking competence. She used a correlational analysis to investigate this in a self-selected sample of 50 adult participants.
Each participant's public speaking competence was assessed using a test where they were asked to read a pre-written 50-word script aloud while alone in an empty room. The researcher measured their performance by counting the number of words they pronounced correctly.
Explain why the data from this public speaking competence test may be criticised for lacking construct validity.
644 exam-style questions on OCR A Level Psychology Research methods and techniques. Each one has a worked solution and a mark scheme showing where the marks go.