The Factor Structure and Dimensional Scoring of the Generalized Anxiety Disorder Questionnaire for DSM-IV
Despite favorable psychometric properties, the Generalized Anxiety Disorder Questionnaire for the Diagnostic and Statistical Manual of Mental Disorders (4th ed.) (GAD-Q-IV) does not have a known factor structure, which calls into question use of its original weighted scoring system (usually referred...
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Veröffentlicht in: | Assessment (Odessa, Fla.) Fla.), 2008-09, Vol.15 (3), p.343-350 |
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description | Despite favorable psychometric properties, the Generalized Anxiety Disorder Questionnaire for the Diagnostic and Statistical Manual of Mental Disorders (4th ed.) (GAD-Q-IV) does not have a known factor structure, which calls into question use of its original weighted scoring system (usually referred to as the dimensional score). Analyses appropriate to categorical item responses in a large sample of undergraduates were used to establish the scale's factor structure. Analyses indicated that a one-factor structure resulted in good fit. A scoring method based on this one-factor structure was compared with a variety of alternative scoring procedures, and it was found that a method based on factor scores did relatively well but that the previously suggested dimensional score failed to perform better than a simple sum of items. Results support the general unity of the measure but raise doubts regarding its scoring and response options. |
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(GAD-Q-IV) does not have a known factor structure, which calls into question use of its original weighted scoring system (usually referred to as the dimensional score). Analyses appropriate to categorical item responses in a large sample of undergraduates were used to establish the scale's factor structure. Analyses indicated that a one-factor structure resulted in good fit. A scoring method based on this one-factor structure was compared with a variety of alternative scoring procedures, and it was found that a method based on factor scores did relatively well but that the previously suggested dimensional score failed to perform better than a simple sum of items. Results support the general unity of the measure but raise doubts regarding its scoring and response options.</description><subject>Adult</subject><subject>Anxiety</subject><subject>Anxiety Disorders - physiopathology</subject><subject>Anxiety Disorders - psychology</subject><subject>Clinical Diagnosis</subject><subject>Diagnostic and Statistical Manual of Mental Disorders</subject><subject>Evaluation Methods</subject><subject>Factor Analysis</subject><subject>Factor Analysis, Statistical</subject><subject>Factor Structure</subject><subject>Female</subject><subject>Goodness of Fit</subject><subject>Health Status Indicators</subject><subject>Humans</subject><subject>Male</subject><subject>Measures (Individuals)</subject><subject>Mental Disorders</subject><subject>Mental Health</subject><subject>Models, Statistical</subject><subject>Pennsylvania</subject><subject>Psychological Tests</subject><subject>Psychometrics</subject><subject>Risk Factors</subject><subject>Scoring</subject><subject>Severity (of Disability)</subject><subject>Surveys and Questionnaires - standards</subject><subject>Symptoms (Individual Disorders)</subject><subject>Test Items</subject><subject>Undergraduate Students</subject><subject>Weighted Scores</subject><subject>Young Adult</subject><issn>1073-1911</issn><issn>1552-3489</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp1kEtLAzEUhYMotlb3LkSycjeaxySTWZY-fFARqbod0vSOpkwnNZkB6683tUVBcHUv93znJByETim5pDTLrijJOM3p92AizfZQlwrBEp6qfD_u8Z5s9A46CmFBCBUyV4eoQxUjjBPWRfbpDfBYm8Z5PG18a5rWA9b1HA_tEupgXa0rPDXO2_oVuxI3kb-GGryu7CfMcb_-sNCsIx6cn4PHjy2EJtpqbWNSGXOH0_vk9uUYHZS6CnCymz30PB49DW6SycP17aA_SQwXskm40qpMhSkzwTWTmqeGZWBSxoBSPctIqSWTgsg812kOQokZBy5ZOTM8U0zxHrrY5q68e9_8pVjaYKCqdA2uDYXMUyKkkhEkW9B4F4KHslh5u9R-XVBSbOot_tYbLee77Ha2hPmvYddnBM62AHhrfuTRnSKpUBs52cpBv0KxcK2P7Yb_3_sCwImKfg</recordid><startdate>20080901</startdate><enddate>20080901</enddate><creator>Rodebaugh, Thomas L.</creator><creator>Holaway, Robert M.</creator><creator>Heimberg, Richard G.</creator><general>SAGE Publications</general><scope>7SW</scope><scope>BJH</scope><scope>BNH</scope><scope>BNI</scope><scope>BNJ</scope><scope>BNO</scope><scope>ERI</scope><scope>PET</scope><scope>REK</scope><scope>WWN</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20080901</creationdate><title>The Factor Structure and Dimensional Scoring of the Generalized Anxiety Disorder Questionnaire for DSM-IV</title><author>Rodebaugh, Thomas L. ; Holaway, Robert M. ; Heimberg, Richard G.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c356t-38a8f45cf753a26a34c27ec422e11ab70fa62650699a49e585b3e362fbc378283</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Adult</topic><topic>Anxiety</topic><topic>Anxiety Disorders - physiopathology</topic><topic>Anxiety Disorders - psychology</topic><topic>Clinical Diagnosis</topic><topic>Diagnostic and Statistical Manual of Mental Disorders</topic><topic>Evaluation Methods</topic><topic>Factor Analysis</topic><topic>Factor Analysis, Statistical</topic><topic>Factor Structure</topic><topic>Female</topic><topic>Goodness of Fit</topic><topic>Health Status Indicators</topic><topic>Humans</topic><topic>Male</topic><topic>Measures (Individuals)</topic><topic>Mental Disorders</topic><topic>Mental Health</topic><topic>Models, Statistical</topic><topic>Pennsylvania</topic><topic>Psychological Tests</topic><topic>Psychometrics</topic><topic>Risk Factors</topic><topic>Scoring</topic><topic>Severity (of Disability)</topic><topic>Surveys and Questionnaires - standards</topic><topic>Symptoms (Individual Disorders)</topic><topic>Test Items</topic><topic>Undergraduate Students</topic><topic>Weighted Scores</topic><topic>Young Adult</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Rodebaugh, Thomas L.</creatorcontrib><creatorcontrib>Holaway, Robert M.</creatorcontrib><creatorcontrib>Heimberg, Richard G.</creatorcontrib><collection>ERIC</collection><collection>ERIC (Ovid)</collection><collection>ERIC</collection><collection>ERIC</collection><collection>ERIC (Legacy Platform)</collection><collection>ERIC( SilverPlatter )</collection><collection>ERIC</collection><collection>ERIC PlusText (Legacy Platform)</collection><collection>Education Resources Information Center (ERIC)</collection><collection>ERIC</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Assessment (Odessa, Fla.)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Rodebaugh, Thomas L.</au><au>Holaway, Robert M.</au><au>Heimberg, Richard G.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><ericid>EJ804582</ericid><atitle>The Factor Structure and Dimensional Scoring of the Generalized Anxiety Disorder Questionnaire for DSM-IV</atitle><jtitle>Assessment (Odessa, Fla.)</jtitle><addtitle>Assessment</addtitle><date>2008-09-01</date><risdate>2008</risdate><volume>15</volume><issue>3</issue><spage>343</spage><epage>350</epage><pages>343-350</pages><issn>1073-1911</issn><eissn>1552-3489</eissn><abstract>Despite favorable psychometric properties, the Generalized Anxiety Disorder Questionnaire for the Diagnostic and Statistical Manual of Mental Disorders (4th ed.) 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subjects | Adult Anxiety Anxiety Disorders - physiopathology Anxiety Disorders - psychology Clinical Diagnosis Diagnostic and Statistical Manual of Mental Disorders Evaluation Methods Factor Analysis Factor Analysis, Statistical Factor Structure Female Goodness of Fit Health Status Indicators Humans Male Measures (Individuals) Mental Disorders Mental Health Models, Statistical Pennsylvania Psychological Tests Psychometrics Risk Factors Scoring Severity (of Disability) Surveys and Questionnaires - standards Symptoms (Individual Disorders) Test Items Undergraduate Students Weighted Scores Young Adult |
title | The Factor Structure and Dimensional Scoring of the Generalized Anxiety Disorder Questionnaire for DSM-IV |
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