A researcher is evaluating the negotiation skills of corporate employees during a roleplay exercise involving a salary dispute. The researcher rates the frequency of active listening techniques (such as paraphrasing and verbal nods) used by each employee as a measure of their collaborative aptitude.
Briefly explain how investigator effects might occur in this study.
689 exam-style questions on AQA A Level Psychology Scientific processes. Each one has a worked solution and a mark scheme showing where the marks go.