Compare the basic assumptions of two models or theories of dysfunctional behavior. [20 marks]

Abnormality is the behavior or characteristic that is considered as abnormal but still allows an individual to function properly in society. Dysfunctional behavior, such as aggression, is the type of behaviors that does not allow an individual to function properly or normally in society. Every model of abnormality each has different assumptions about causes of dysfunctional behavior.

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The biological model is based on the assumptions that if the brain and biochemicals mediate psychological processes, so any abnormal or dysfunctional behaviors are determined physically and biologically. Thus, biological model assumes genetic, organic or chemical disorders cause mental illness which gives rise to psychological symptoms.

The behavioral model is based upon the behaviorist or learning theory approach. It believes that external or environmental factors are mainly responsible for psychological illness, so dysfunctional behavior just simply occurs when maladaptive responses have been learnt or adaptive responses have not been learnt. Therefore, only observable behavior disorder needs to ...

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