In addition, clinical interviews are also used as part of PA methodology. Over a period of time trust is established with the psychoanalyst, which means the patient opens up, revealing fears in their unconscious mind. For example, 'Wolfman' came to Freud with depression and discussed recurring nightmares about a pack of wolves.
A strength of clinical interviews is that they allow for individual differences (idiographic). Each client gives personal information, which allows interpretation of underlying meanings that may be more appropriate in capturing human experience than scientific methods. For example, Freud argued that Wolfman's recurring nightmares were due to his fear of castration by his father, in the phallic stage. This suggests that clinical interviews will lead to personalised outcomes and treatments.
However, one weakness of clinical interviews is they are low on reliability as no/little quantitative data is produced and there is little consistency between patients. Clinical interviews are also open to interviewer bias, making findings subjective. For example, Freud's analysis os Little Hans is open to alternative interpretations that may better describe his fear of horses, such as conditioning. In addition this method is not falsifiable (an essential factor in science). This suggests that PA methods cannot be repeated, retestes or generalised.
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