A neuropsychologist is investigating the relationship between sleep duration and cognitive performance. They recruit 50 participants, fit them with actigraphy watches to track their precise sleep duration (in hours), and then measure their response times (in milliseconds) using a computerised test.
Which of the following best describes the type of data the neuropsychologist is collecting?
Qualitative and secondary data
Qualitative and primary data
Quantitative and secondary data
Quantitative and primary data
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.