A psychologist investigates the impact of indoor biophilic design (adding live plants and natural lighting) on student stress levels in a high-density university library during exam season. Along with recording students' heart rate variability, the researcher conducts focus group discussions at the end of the week to gather qualitative data about the students' psychological experiences of the modified study space.
Evaluate the use of qualitative data in this study.
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.