One strength of determinism is that it is highly scientific. Research allows us to predict behaviour and treat it, which leads to practical applications. If we know the cause of abnormal behaviour i.e. high levels of DA causing sz, then it will be easier to develop treatments. For example, it is unlikely that anyone would choose to have sz and experience total loss of control over their thoughts, leading to drugs being developed to help decrease DA activity in the brain and reduce positive symptoms, like hallucinations. This means that determinism is an important part of applied psychology.