The interactionist approach to schizophrenia

The interactionist approach acknowledges that there are biological, psychological and societal factors in the development of schizophrenia

The diathesis-stress model
This model suggests that both a vulnerability to schizophrenia and a stress-trigger are necessary in order to develop the condition

Meehl's model (1962)

• Diathesis (vulnerability) is entirely genetic and the result of a single 'schizogene'
• According to Meehl, if a person does not have the schizogene, no amount of stress would lead to schizophrenia; however, in carriers of the gene, chronic stress through childhood and…