Acceptance and Commitment Therapy (ACT) is a unique empirically-based psychological intervention that uses acceptance and mindfulness processes, and commitment and behaviour change processes to produce psychological flexibility. Steven C. Hayes, who helped develop ACT, and co-author Jason Lillis provide an overview of ACT's main influences and its basic principles.

In this succinct and understandable survey, the authors show how ACT illuminates the ways that language encourages unhelpful skirmishing in clients' psychic lives, and how to use ACT to help clients accept private...

Since the original publication of this seminal work, acceptance and commitment therapy (ACT) has come into its own as a widely practiced approach to helping people change. This book provides the definitive statement of ACT--from conceptual and empirical foundations to clinical techniques--written by its originators. ACT is based on the idea that psychological rigidity is a root cause of a wide range of clinical problems. The authors describe effective, innovative ways to cultivate psychological flexibility by detecting and targeting six key processes: defusion, acceptance, attention to the...