1.1 What are the four main criteria that are used to differentiate abnormal behaviour from normal behaviour?

1.2 How does Wakefield’s notion of ‘harmful dysfunction’ help to differentiate the concept of mental disorder from
the concepts of medical disorder and social deviance?

1.3 In what ways does the classification of psychological disorders (e.g., depression) differ from the classification of
medical disorders (e.g., cancer)?

1.4 What were the main changes in behaviourism that allowed the development of the cognitive-behavioural
perspective?

1.5 How is the behavioural approach to understanding mental disorders fundamentally different from the
psychoanalytic approach?

1.6 If an individual inherits a biological vulnerability for a mental disorder, does this mean that he/she is destined to
develop a disorder? Explain using the biopsychosocial model of mental disorders.

1.7 What were the main limitations of the DSM-I and DSM-II?

1.8 How can the reliability of a mental disorder diagnosis be improved?

1.9 In what ways did the DSM-III differ from its predecessors?

1.10 List the main limitations of the categorical system of classification reflected in the DSM-III and beyond.