An occupational health researcher wants to conduct an experiment to investigate whether consuming a high-caffeine energy drink improves short-term working memory retention in office workers.
The researcher has access to a database containing an alphabetical list of all 300 employees at a corporate headquarters.
Outline how the researcher could use systematic sampling to obtain a sample of 15 participants from these employees for the study.
201 exam-style questions on OCR A Level Psychology Planning and conducting research. Each one has a worked solution and a mark scheme showing where the marks go.