The development of a scale to measure cognitive behavioural processes across a range of psychological disorders

Prof Doc Thesis


Patel, Trishna 2010. The development of a scale to measure cognitive behavioural processes across a range of psychological disorders. Prof Doc Thesis University of East London School of Psychology
AuthorsPatel, Trishna
TypeProf Doc Thesis
Abstract

The influence of psychiatric diagnoses extends beyond psychiatry. In
psychology, Beck's (1967) work paved the way for a disorder-focused
conceptualisation of psychological distress and diagnosis-led therapies.
Consequently, Cognitive Behaviour Therapy research has focused on studying
the role of cognitive and behavioural processes in the development and/or
maintenance of symptoms, in specific psychological disorders. Recently,
theorists have highlighted the commonalities in these processes across multiple
disorders i.e. transdiagnostic approach (Harvey et a/., 2004). This is an
emerging theory, in the early stages of empirical evaluation. To identify
transdiagnostic processes of interest, a measure called the Cognitive and
Behavioural Processes Questionnaire (CBP-Q) was developed. The CBP-Q
was administered to a mixed clinical group (n=80) and a control group: student
(n=172) and community (n=57), to undertake preliminary analysis of its
psychometric properties and explore group differences. A principal component
analysis resulted in a 13-item version of the CBP-Q, consisting of one
theoretical construct. The measure demonstrated good internal consistency,
test-retest stability and satisfactory convergent and divergent validity.
Correlations with symptom-based measures showed increased engagement in
the processes to be associated with higher levels of symptomatology. The
clinical group had a significantly higher mean CBP-Q score than the control
groups. The diagnostic category was found to have no effect on CBP-Q scores,
however, due to small sample sizes this finding should be interpreted with
caution. The findings of the study are preliminary and require replication,
however, they suggest the CBP-Q has good psychometric properties.
Correlations and group comparisons support a transdiagnostic model. The
CBP-Q has the potential of being a useful clinical tool in helping to identify the
focus of therapy (i.e. clients individual needs of care), over the traditional
diagnosis-led approach. With continued empirical evaluation, the
transdiagnostic field holds promising change for clients, clinicians and services.

Year2010
Publication dates
PrintMay 2010
Publication process dates
Deposited12 Jun 2014
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