A psychologist conducted a study to investigate the effectiveness of different interventions for social anxiety in young adults.
Thirty-six young adults diagnosed with Social Anxiety Disorder participated. At the start of the study, the researchers recorded the frequency of weekly avoidance behaviours for each participant.
The participants were randomly allocated to one of three groups of 12:
At the end of the 8-week period, the researchers again recorded the frequency of weekly avoidance behaviours. Results showed a significant reduction in avoidance behaviours for Groups A and B, but no change for Group C.
Identify the independent variable 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.