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The authors, researchers at the national Universityof Ireland and Leiden University, based their study on previous research that had shown that training of match-to-sample tasks with AB compounds as samples and unitary C stimuli as comparisons (AB-C) leads to novel tasks with interchangeable stimulus elements: C-AB, AC-B, and BC-A (e.g., Markham & Dougher, 1993).

An ACT-based brief procedure which was centered on values clarification and exposure showed its effectiveness when applied to common fears and worries. Many studies have showed ineffectiveness of thought suppression (Clark et al., 1991; Wegner et al., 1987; Rassin et al., 2000). Ineffectiveness is especially evident in the long run (Beevers et al, 1999; Wenzlaff, 1993; Wegner, 1994).

An ACT-based brief procedure which was centered on values clarification and exposure showed its effectiveness when applied to common fears and worries. Many studies have showed ineffectiveness of thought suppression (Clark et al., 1991; Wegner et al., 1987; Rassin et al., 2000). Ineffectiveness is especially evident in the long run (Beevers et al, 1999; Wenzlaff, 1993; Wegner, 1994).

This paper shows the results of ACT applied to a 46-year-old male breast cancer patient who showed high levels of anxiety and very persistent "obsesive" thoughts about this disease and other related subjects, which fit to the functional diagnostic dimension called "experiential avoidance". The intervention was achieved by two therapists without experience in applying ACT, along 20 sessions including assessment and follow-up.

This paper shows the results of ACT applied to a 46-year-old male breast cancer patient who showed high levels of anxiety and very persistent "obsesive" thoughts about this disease and other related subjects, which fit to the functional diagnostic dimension called "experiential avoidance". The intervention was achieved by two therapists without experience in applying ACT, along 20 sessions including assessment and follow-up.

This paper reviews the empirical evidence relevant to RFT as a valid research approach to the experimental analysis of language and cognition. This evidence is presented in regard to two key issues of the theory: the operant nature of derived relational responding and the relationship between derived stimulus relations and language. The reviewed studies clearly support the RFT view of verbal behavior.

Positive Psychology encourages the scientific treatment of happiness, and the analysis of the conditions that facilitate its emergence. As well, it promotes the search for wellbeing indicators in the general population, and the promotion of personal characteristics related to wellbeing at an individual level, that comprise subjective experiences evaluated as positive.

The aim of current study was to analyze the psychological disorders associated with the diagnosis, treatment and consequences of breast cancer through the functional dimension of Emotional Avoidance, as well as to provide some empirical support for the usefulness of the Acceptance and Commitment Therapy (ACT) in this domain.

The aim of current study was to analyze the psychological disorders associated with the diagnosis, treatment and consequences of breast cancer through the functional dimension of Emotional Avoidance, as well as to provide some empirical support for the usefulness of the Acceptance and Commitment Therapy (ACT) in this domain.