A psychologist investigating occupational burnout among healthcare professionals wants to ensure they use a probability sampling method so that every member of the target population has a known, non-zero chance of being selected. Which of the following sampling techniques must the psychologist avoid, as it is classified as a non-probability sampling method?
Stratified sampling
Systematic sampling
Quota sampling
Simple random sampling
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.