Acceptance and commitment therapy (ACT, typically pronounced as the word “act”) is a form of counseling and a branch of clinical behavior analysis. It is an empirically-based psychological intervention that uses acceptance and mindfulness strategies mixed in different ways with commitment and behavior-change strategies, to increase psychological flexibility. 

The approach was originally called comprehensive distancing. Steven C. Hayes developed Acceptance and Commitment Therapy in 1982 in order to create a mixed approach which integrates both cognitive and behavioral therapy. There are a variety of protocols for ACT, depending on the target behavior or setting. For example, in behavioral health areas a brief version of ACT is called focused acceptance and commitment therapy (FACT)

Reference: Wikipedia,  consulted on  july 08th,2019.

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