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Dissertation
Assessing mindfulness: the development of a bi-dimensional measure of awareness and acceptance
Doctor of Philosophy (Ph.D.), Drexel University
Aug 2005
DOI:
https://doi.org/10.17918/etd-547
Abstract
Mindfulness, a construct that has its roots in Buddhism, has been examined over the past thirty years in different domains of mainstream psychology. Mindfulness has recently been incorporated into several innovative psychotherapies as a main component of treatment. However, there is no widely accepted definition of mindfulness in the field of clinical psychology, nor has the construct been sufficiently operationalized. Further, there is no measure to date that assesses the two key components of mindfulness, present-moment awareness and acceptance. The purpose of this study was to develop a bi-dimensional measure of mindfulness based on the two key constituents of the construct, present-moment awareness and nonjudgmental acceptance. The psychometric evidence supports a clear two-factor solution, indicating that the newly developed Philadelphia Mindfulness Scale (PHLMS) measures mindfulness and its key constituents, acceptance and awareness. Content validation by expert judges yielded high ratings of the representation of the components of mindfulness, good internal consistency was demonstrated in both clinical and nonclinical samples, and relationships with other constructs were largely as expected within the normative nonclinical samples. Although results from some of the clinical sample validation analyses were contrary to expectations, significant differences were found as predicted between the nonclinical and clinical samples. One noteworthy finding was that the awareness and acceptance subscales were not correlated with each other, suggesting that the potential role of these two constructs in mental health can be examined independently. Implications, study limitations, and future directions are discussed.
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Details
- Title
- Assessing mindfulness
- Creators
- LeeAnn Cardaciotto - DU
- Contributors
- James D. Herbert (Advisor) - Drexel University (1970-)
- Awarding Institution
- Drexel University
- Degree Awarded
- Doctor of Philosophy (Ph.D.)
- Publisher
- Drexel University; Philadelphia, Pennsylvania
- Resource Type
- Dissertation
- Language
- English
- Academic Unit
- Psychological and Brain Sciences (Psychology); College of Arts and Sciences; Drexel University
- Other Identifier
- 547; 991014632581304721