Preliminary validation of the Nepean Dysphoria Scale

Berle, D; Starcevic, V

Preliminary validation of the Nepean Dysphoria Scale

Berle, D

Starcevic, V

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Publication Type:: Journal Article
Citation:: Australasian Psychiatry, 2012, 20 (4), pp. 322 - 326
Issue Date:: 2012-08-01

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Field	Value	Language
dc.contributor.author	Berle, D https://orcid.org/0000-0002-4861-2220	en_US
dc.contributor.author	Starcevic, V	en_US
dc.date.issued	2012-08-01	en_US
dc.identifier.citation	Australasian Psychiatry, 2012, 20 (4), pp. 322 - 326	en_US
dc.identifier.issn	1039-8562	en_US
dc.identifier.uri	http://hdl.handle.net/10453/115251
dc.description.abstract	Objective: To present the psychometric properties of the Nepean Dysphoria Scale (NDS), the first instrument developed to measure the severity of dysphoria. Method: The NDS was administered to 134 university students and its characteristics were examined. The structure of the scale was investigated using exploratory factor analysis. Convergent and divergent validity were examined by investigating the associations between the NDS and its subscales with other conceptually similar (Beck Depression Inventory II, Dysfunctional Attitude Scale - Form A and Toronto Alexithymia Scale) and conceptually distinct (Anxiety Sensitivity Index) instruments. Results: The 24-item NDS demonstrated excellent internal consistency. A four-factor solution was derived, with factors pertaining to irritability, discontent, surrender and interpersonal resentment. There were medium to strong correlations between the NDS and its subscales and depressive symptoms as measured by the Beck Depression Inventory II. The NDS and its subscales showed weaker, but still significant, correlations with Dysfunctional Attitude Scale - Form A, Toronto Alexithymia Scale and Anxiety Sensitivity Index. Conclusions: The study suggests that the NDS has good psychometric properties. Further research would more firmly establish the NDS as a valid measure of the complex emotional state of dysphoria. © 2012 The Royal Australian and New Zealand College of Psychiatrists.	en_US
dc.relation.ispartof	Australasian Psychiatry	en_US
dc.relation.isbasedon	10.1177/1039856212447966	en_US
dc.subject.classification	Psychiatry	en_US
dc.subject.mesh	Humans	en_US
dc.subject.mesh	Questionnaires	en_US
dc.subject.mesh	Factor Analysis, Statistical	en_US
dc.subject.mesh	Reproducibility of Results	en_US
dc.subject.mesh	Affective Symptoms	en_US
dc.subject.mesh	Depression	en_US
dc.subject.mesh	Anxiety	en_US
dc.subject.mesh	Psychometrics	en_US
dc.subject.mesh	Adolescent	en_US
dc.subject.mesh	Female	en_US
dc.subject.mesh	Male	en_US
dc.subject.mesh	Young Adult	en_US
dc.subject.mesh	Surveys and Questionnaires	en_US
dc.title	Preliminary validation of the Nepean Dysphoria Scale	en_US
dc.type	Journal Article
utslib.citation.volume	4	en_US
utslib.citation.volume	20	en_US
utslib.for	1799 Other Psychology and Cognitive Sciences	en_US
utslib.for	11 Medical and Health Sciences	en_US
utslib.for	17 Psychology and Cognitive Sciences	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Graduate School of Health
utslib.copyright.status	closed_access
pubs.issue	4	en_US
pubs.publication-status	Published	en_US
pubs.volume	20	en_US

Abstract:

Objective: To present the psychometric properties of the Nepean Dysphoria Scale (NDS), the first instrument developed to measure the severity of dysphoria. Method: The NDS was administered to 134 university students and its characteristics were examined. The structure of the scale was investigated using exploratory factor analysis. Convergent and divergent validity were examined by investigating the associations between the NDS and its subscales with other conceptually similar (Beck Depression Inventory II, Dysfunctional Attitude Scale - Form A and Toronto Alexithymia Scale) and conceptually distinct (Anxiety Sensitivity Index) instruments. Results: The 24-item NDS demonstrated excellent internal consistency. A four-factor solution was derived, with factors pertaining to irritability, discontent, surrender and interpersonal resentment. There were medium to strong correlations between the NDS and its subscales and depressive symptoms as measured by the Beck Depression Inventory II. The NDS and its subscales showed weaker, but still significant, correlations with Dysfunctional Attitude Scale - Form A, Toronto Alexithymia Scale and Anxiety Sensitivity Index. Conclusions: The study suggests that the NDS has good psychometric properties. Further research would more firmly establish the NDS as a valid measure of the complex emotional state of dysphoria. © 2012 The Royal Australian and New Zealand College of Psychiatrists.

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http://hdl.handle.net/10453/115251