A researcher wants to investigate how the acoustic environment impacts productivity in high-skill office settings. Specifically, they aim to study whether software developers maintain a higher level of concentration when listening to binaural beat audio tracks compared to standard open-plan office background noise. The study is to be conducted at a single medium-sized technology start-up firm in London with 120 software developers on the payroll.
Explain two factors that could affect the external validity of this 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.