A research team is investigating the impact of social media usage on adolescent self-esteem. As part of their investigation, they perform several tasks. Which of the following tasks describes the collection of primary data?
Extracting correlation coefficients and sample sizes from 25 peer-reviewed papers published in developmental psychology journals to conduct a meta-analysis.
Accessing the school registers from regional academies to obtain the official attendance records of the participants over the past term.
Conducting structured interviews with 30 local high school students specifically recruited for this investigation to document their daily screen time and self-esteem scores.
Downloading anonymised, pre-existing mental health survey datasets compiled by the National Health Service (NHS) over the last five years.
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.