A researcher conducted a study to investigate the effectiveness of different interventions for reducing exam anxiety in adolescents.
Forty-five high school students with self-reported high levels of exam anxiety participated in the study. Before the interventions began, the researcher measured their baseline anxiety levels using a standardized anxiety questionnaire.
The 45 students were then randomly allocated to three groups of 15:
At the end of the 6 weeks, the researcher measured their exam anxiety levels again using the same questionnaire.
Explain one way in which the researcher could have randomly allocated the 45 participants to the three groups.
Practise AQA A Level Psychology Scientific processes with exam-style questions for A Level Psychology. 689 questions, matched to the AQA A Level Psychology (7182) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.
