The multi-theory approach IM encourages working with multiple theories. Theories can be
seen as reductions of reality--this is not a shortcoming, but rather the definition. One theory …

Formulation remains one of the most important activities that those using psychological
approaches undertake as part of their work. Arguably, however, formulation is an activity that …

Background: Investigating and improving the effects of behaviour change interventions
requires detailed and consistent specification of all aspects of interventions. An important …

It is particularly gratifying to prepare a second edition of a book, because there is the
necessary impli cation that the first edition was well received. Moreover, now an opportunity …

Developing and Delivering Practice-based Evidence promotes a range of methodological
approaches to complement traditional evidence-based practice in the field of psychological …

The present paper argues that traditional approaches to treatment development, including a
technological approach, a stage model, and existing inductive approaches such as …

Continuing the tradition of excellence established in previous editions, distinguished
researcher, practitioner, and educator Alan Kazdin integrates pioneering and recent …