Development and validation of the Inventory of Depression and Anxiety Symptoms (IDAS).

Development and validation of the Inventory of Depression and Anxiety Symptoms (IDAS). Research Abstract Details 

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Development and validation of the Inventory of Depression and Anxiety Symptoms (IDAS). Abstract Text:

David Watson,Michael W O'Hara,Leonard J Simms,Roman Kotov,Michael Chmielewski,Elizabeth A McDade-Montez,Wakiza Gamez,Scott Stuart,

The authors describe a new self-report instrument, the Inventory of Depression and Anxiety Symptoms (IDAS), which was designed to assess specific symptom dimensions of major depression and related anxiety disorders. They created the IDAS by conducting principal factor analyses in 3 large samples (college students, psychiatric patients, community adults); the authors also examined the robustness of its psychometric properties in 5 additional samples (high school students, college students, young adults, postpartum women, psychiatric patients) who were not involved in the scale development process. The IDAS contains 10 specific symptom scales: Suicidality, Lassitude, Insomnia, Appetite Loss, Appetite Gain, Ill Temper, Well-Being, Panic, Social Anxiety, and Traumatic Intrusions. It also includes 2 broader scales: General Depression (which contains items overlapping with several other IDAS scales) and Dysphoria (which does not). The scales (a) are internally consistent, (b) capture the target dimensions well, and (c) define a single underlying factor. They show strong short-term stability and display excellent convergent validity and good discriminant validity in relation to other self-report and interview-based measures of depression and anxiety.

Development and validation of the Inventory of Depression and Anxiety Symptoms (IDAS). Publishing Authors By Initials

D Watson,MW O'Hara,LJ Simms,R Kotov,M Chmielewski,EA McDade-Montez,W Gamez,S Stuart,

For similar investigative techniques: epidemiologic methods: data collection: health surveys: health status indicators: severity of illness index research abstracts see: investigative techniques: epidemiologic methods: data collection: health surveys: health status indicators: severity of illness index research

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Development and validation of the Inventory of Depression and Anxiety Symptoms (IDAS). Journal Published:

PUBLICATION TYPE: Validation Studies

Journal: Psychological assessment

VOLUME: 19

Page Numbers: 253-68

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ISSN: 1040-3590

DAY: 3

MONTH: Sep

YEAR: 2007

Development and validation of the Inventory of Depression and Anxiety Symptoms (IDAS). Information

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LANGUAGE: eng

NlmUniqueID: 8915253

Development and validation of the Inventory of Depression and Anxiety Symptoms (IDAS). Keywords Mesh Terms:

KEYWORDS: Severity of Illness Index

MESH TERMS: psychology

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Grant and Affiliation Information for Development and validation of the Inventory of Depression and Anxiety Symptoms (IDAS).

AFFILIATION: Department of Psychology, University of Iowa, Iowa City, IA 52242-1407, USA. david-watson@uiowa.edu

Country: United States

AGENCY: United States NIMH

GRANT: R01 MH 068472

ACRONYM: MH

MEDLINETA: Psychol Assess

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