An educational psychologist wanted to investigate whether utilizing a gamified mobile app for learning vocabulary improves the retention of foreign language terms compared to traditional physical flashcards. Participants in the experimental group used the gamified app for 20 minutes daily over a fortnight, while participants in the control group used physical flashcards for the same duration. At the end of the fortnight, both groups completed a standardized vocabulary retention test.
Outline one weakness of using an independent measures design 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.