A researcher conducted a study to investigate the effectiveness of different therapeutic interventions for Social Anxiety Disorder.
Forty-five participants, all diagnosed with Social Anxiety Disorder, took part in the study. Before the interventions began, the researcher recorded the self-reported daily anxiety levels of each participant using a standardised 1–10 rating scale.
The 45 participants were then randomly allocated to three conditions with 15 participants in each:
At the end of the 8-week period, the researcher again recorded the daily anxiety ratings for each participant. The results showed that the average daily anxiety level for Group 1 and Group 2 had significantly decreased, while the average daily anxiety level for Group 3 showed no change.
Identify the independent variable in this study.
Practise AQA A Level Psychology Scientific processes with exam-style questions for A Level Psychology. 100 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.