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The present research describes the development and psychometric evaluation of a second version of the Acceptance and Action Questionnaire (AAQ-II), which assesses the construct referred to as, variously, acceptance, experiential avoidance, and psychological inflexibility. Results from 2,816 participants across six samples indicate the satisfactory(More)
Dysfunctional control exerted by reason-giving in adult psychopathology is interpreted from a radical behavioral perspective. Verbal-social contingencies which support the establishment of reason-giving and its control over maladaptive actions are reviewed. A contextual approach to psychotherapy, comprehensive distancing, which attempts to weaken(More)
Depressed subjects (N = 31) were treated with three different group therapies: (a) complete cognitive therapy (CCT); (b) partial cognitive therapy (PCT); or (c) comprehensive distancing (CD). All three groups showed significant, but equivalent, reductions in depression over 12 weeks of treatment and 2-month follow-up. However, significant reductions in(More)
Humans were presented with a task that required moving a light through a matrix. Button presses could produce light movements according to a multiple fixed-ratio 18/differential-reinforcement-of-low-rate 6-s schedule, with components alternating every 2 min. Moving the light through the maze earned points worth chances on money prizes. In Experiment 1 four(More)
The treatment utility of the Sociotropy/Autonomy Scale was evaluated by matching or mismatching subjects to either individual or group cognitive therapy according to their dominant personality dimension. Both groups of subjects obtained statistically significant, but equivalent, reductions in depression. Consistent with Beck's (1983) interactional model,(More)
Four measures of depression were administered to a normative sample (n = 44) and two psychiatric groups of adolescents (n = 40). Measures included the Adolescent Activity Checklist (AAC), Beck Depression Inventory (BDI), Automatic Thoughts Questionnaire (ATQ), and Dysfunctional Attitudes Scale (DAS). Only the BDI and ATQ were able to discriminate among the(More)
This paper traces the developmental history of acceptance and commitment therapy (ACT) from its beginning as comprehensive distancing to its current form and status. It is maintained that technical differences between the two approaches are overshadowed by ones of conceptualization. Comprehensive distancing emerged from efforts to extend Skinner's work on(More)
Two studies were conducted to identify mechanisms responsible for observed "self-reinforcement" effects. In Experiment 1, using a studying task, self-reinforcement procedures did not work when they were private (i.e., when others are not aware of the goals or contingencies), but did work when they were public. Self-delivery of consequences added nothing to(More)