**Persons' Formulation (1989)**

*Early Experience*: Negative experience either from teacher, parents or peers.

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*Schemas*: Become maladjusted and lead to mistrust. Mistrusts ability to do things.

*Core Beliefs*: Negative cognitions result in anxiety leading to behavioural and physiological problems.

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*Assumptions*: I know I will feel anxious because it always happens and then I will ........... (becomes a self-fulfilling prophecy).

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*Trigger*: Thought of an impending event.

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