Thirty clients began prolonged exposure therapy. Twenty completed it. Their mean symptom score fell from 24 before treatment to 12 immediately afterwards.
Draw one conclusion about effectiveness from the results and explain three reasons why the conclusion should be treated cautiously.
103 exam-style questions on Oxford AQA IGCSE Psychology 2.3 Mental health, covering 2.3.1 Incidence of mental health problems over time, 2.3.2 Characteristics of mental health, 2.3.3 Cultural variations in beliefs, 2.3.4 Challenges of modern living, 2.3.5 Recognition and social stigma, 2.3.6 Individual effects of mental health problems, 2.3.7 Social effects of mental health problems, 2.3.8 Diagnosing OCD, 2.3.9 Explanations of OCD, 2.3.10 Therapy for OCD, 2.3.11 Kearns's CBT study, 2.3.12 Diagnosing PTSD, 2.3.13 Explanations of PTSD, 2.3.14 Therapy for PTSD, and 2.3.15 Eftekhari's exposure therapy study. Each one has a worked solution and a mark scheme showing where the marks go.