The Dunn Worry Questionnaire and the Paranoia Worries Questionnaire: new assessments of worry
The cognitive process of worry, which keeps negative thoughts in mind and elaborates the content, contributes to the occurrence of many mental health disorders. Our principal aim was to develop a straightforward measure of general problematic worry suitable for research and clinical treatment. Our s...
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| Veröffentlicht in: | Psychological medicine 2020-04, Vol.50 (5), p.771-780 |
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| creator | Freeman, Daniel Bird, Jessica C Loe, Bao S Kingdon, David Startup, Helen Clark, David M Ehlers, Anke Černis, Emma Wingham, Gail Evans, Nicole Lister, Rachel Pugh, Katherine Cordwell, Jacinta Dunn, Graham |
| description | The cognitive process of worry, which keeps negative thoughts in mind and elaborates the content, contributes to the occurrence of many mental health disorders. Our principal aim was to develop a straightforward measure of general problematic worry suitable for research and clinical treatment. Our secondary aim was to develop a measure of problematic worry specifically concerning paranoid fears.
An item pool concerning worry in the past month was evaluated in 250 non-clinical individuals and 50 patients with psychosis in a worry treatment trial. Exploratory factor analysis and item response theory (IRT) informed the selection of scale items. IRT analyses were repeated with the scales administered to 273 non-clinical individuals, 79 patients with psychosis and 93 patients with social anxiety disorder. Other clinical measures were administered to assess concurrent validity. Test-retest reliability was assessed with 75 participants. Sensitivity to change was assessed with 43 patients with psychosis.
A 10-item general worry scale (Dunn Worry Questionnaire; DWQ) and a five-item paranoia worry scale (Paranoia Worries Questionnaire; PWQ) were developed. All items were highly discriminative (DWQ a = 1.98-5.03; PWQ a = 4.10-10.7), indicating small increases in latent worry lead to a high probability of item endorsement. The DWQ was highly informative across a wide range of the worry distribution, whilst the PWQ had greatest precision at clinical levels of paranoia worry. The scales demonstrated excellent internal reliability, test-retest reliability, concurrent validity and sensitivity to change.
The new measures of general problematic worry and worry about paranoid fears have excellent psychometric properties. |
| doi_str_mv | 10.1017/S0033291719000588 |
| format | Article |
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An item pool concerning worry in the past month was evaluated in 250 non-clinical individuals and 50 patients with psychosis in a worry treatment trial. Exploratory factor analysis and item response theory (IRT) informed the selection of scale items. IRT analyses were repeated with the scales administered to 273 non-clinical individuals, 79 patients with psychosis and 93 patients with social anxiety disorder. Other clinical measures were administered to assess concurrent validity. Test-retest reliability was assessed with 75 participants. Sensitivity to change was assessed with 43 patients with psychosis.
A 10-item general worry scale (Dunn Worry Questionnaire; DWQ) and a five-item paranoia worry scale (Paranoia Worries Questionnaire; PWQ) were developed. All items were highly discriminative (DWQ a = 1.98-5.03; PWQ a = 4.10-10.7), indicating small increases in latent worry lead to a high probability of item endorsement. The DWQ was highly informative across a wide range of the worry distribution, whilst the PWQ had greatest precision at clinical levels of paranoia worry. The scales demonstrated excellent internal reliability, test-retest reliability, concurrent validity and sensitivity to change.
The new measures of general problematic worry and worry about paranoid fears have excellent psychometric properties.</description><identifier>ISSN: 0033-2917</identifier><identifier>EISSN: 1469-8978</identifier><identifier>DOI: 10.1017/S0033291719000588</identifier><identifier>PMID: 30947766</identifier><language>eng</language><publisher>England: Cambridge University Press</publisher><subject>Adult ; Anxiety disorders ; Anxiety Disorders - psychology ; Clinical research ; Cognition ; Cognitive ability ; Exploratory factor analysis ; Factor analysis ; Factor Analysis, Statistical ; Fear & phobias ; Female ; Humans ; Item response theory ; Male ; Medical treatment ; Mental depression ; Mental disorders ; Mental health ; Original ; Paranoia ; Paranoid Disorders - psychology ; Patients ; Population ; Principal components analysis ; Psychometrics ; Psychosis ; Psychotic Disorders - psychology ; Quantitative psychology ; Questionnaires ; Reproducibility of Results ; Schizophrenia ; Social anxiety ; Surveys and Questionnaires - standards ; Test-Retest reliability ; Worry</subject><ispartof>Psychological medicine, 2020-04, Vol.50 (5), p.771-780</ispartof><rights>2019 This article is published under (https://creativecommons.org/licenses/by/3.0/) (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>Cambridge University Press 2019 2019 Cambridge University Press</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c427t-10beab24a1229f7c430b845abe50ab4c3ea5f0e8f18a255369bb49ae67e132503</citedby><cites>FETCH-LOGICAL-c427t-10beab24a1229f7c430b845abe50ab4c3ea5f0e8f18a255369bb49ae67e132503</cites><orcidid>0000-0002-2541-2197</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,12825,27901,27902,30976</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/30947766$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Freeman, Daniel</creatorcontrib><creatorcontrib>Bird, Jessica C</creatorcontrib><creatorcontrib>Loe, Bao S</creatorcontrib><creatorcontrib>Kingdon, David</creatorcontrib><creatorcontrib>Startup, Helen</creatorcontrib><creatorcontrib>Clark, David M</creatorcontrib><creatorcontrib>Ehlers, Anke</creatorcontrib><creatorcontrib>Černis, Emma</creatorcontrib><creatorcontrib>Wingham, Gail</creatorcontrib><creatorcontrib>Evans, Nicole</creatorcontrib><creatorcontrib>Lister, Rachel</creatorcontrib><creatorcontrib>Pugh, Katherine</creatorcontrib><creatorcontrib>Cordwell, Jacinta</creatorcontrib><creatorcontrib>Dunn, Graham</creatorcontrib><title>The Dunn Worry Questionnaire and the Paranoia Worries Questionnaire: new assessments of worry</title><title>Psychological medicine</title><addtitle>Psychol Med</addtitle><description>The cognitive process of worry, which keeps negative thoughts in mind and elaborates the content, contributes to the occurrence of many mental health disorders. Our principal aim was to develop a straightforward measure of general problematic worry suitable for research and clinical treatment. Our secondary aim was to develop a measure of problematic worry specifically concerning paranoid fears.
An item pool concerning worry in the past month was evaluated in 250 non-clinical individuals and 50 patients with psychosis in a worry treatment trial. Exploratory factor analysis and item response theory (IRT) informed the selection of scale items. IRT analyses were repeated with the scales administered to 273 non-clinical individuals, 79 patients with psychosis and 93 patients with social anxiety disorder. Other clinical measures were administered to assess concurrent validity. Test-retest reliability was assessed with 75 participants. Sensitivity to change was assessed with 43 patients with psychosis.
A 10-item general worry scale (Dunn Worry Questionnaire; DWQ) and a five-item paranoia worry scale (Paranoia Worries Questionnaire; PWQ) were developed. All items were highly discriminative (DWQ a = 1.98-5.03; PWQ a = 4.10-10.7), indicating small increases in latent worry lead to a high probability of item endorsement. The DWQ was highly informative across a wide range of the worry distribution, whilst the PWQ had greatest precision at clinical levels of paranoia worry. The scales demonstrated excellent internal reliability, test-retest reliability, concurrent validity and sensitivity to change.
The new measures of general problematic worry and worry about paranoid fears have excellent psychometric properties.</description><subject>Adult</subject><subject>Anxiety disorders</subject><subject>Anxiety Disorders - psychology</subject><subject>Clinical research</subject><subject>Cognition</subject><subject>Cognitive ability</subject><subject>Exploratory factor analysis</subject><subject>Factor analysis</subject><subject>Factor Analysis, Statistical</subject><subject>Fear & phobias</subject><subject>Female</subject><subject>Humans</subject><subject>Item response theory</subject><subject>Male</subject><subject>Medical treatment</subject><subject>Mental depression</subject><subject>Mental disorders</subject><subject>Mental health</subject><subject>Original</subject><subject>Paranoia</subject><subject>Paranoid Disorders - psychology</subject><subject>Patients</subject><subject>Population</subject><subject>Principal components analysis</subject><subject>Psychometrics</subject><subject>Psychosis</subject><subject>Psychotic Disorders - 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Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Psychological medicine</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Freeman, Daniel</au><au>Bird, Jessica C</au><au>Loe, Bao S</au><au>Kingdon, David</au><au>Startup, Helen</au><au>Clark, David M</au><au>Ehlers, Anke</au><au>Černis, Emma</au><au>Wingham, Gail</au><au>Evans, Nicole</au><au>Lister, Rachel</au><au>Pugh, Katherine</au><au>Cordwell, Jacinta</au><au>Dunn, Graham</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The Dunn Worry Questionnaire and the Paranoia Worries Questionnaire: new assessments of worry</atitle><jtitle>Psychological medicine</jtitle><addtitle>Psychol Med</addtitle><date>2020-04-01</date><risdate>2020</risdate><volume>50</volume><issue>5</issue><spage>771</spage><epage>780</epage><pages>771-780</pages><issn>0033-2917</issn><eissn>1469-8978</eissn><abstract>The cognitive process of worry, which keeps negative thoughts in mind and elaborates the content, contributes to the occurrence of many mental health disorders. Our principal aim was to develop a straightforward measure of general problematic worry suitable for research and clinical treatment. Our secondary aim was to develop a measure of problematic worry specifically concerning paranoid fears.
An item pool concerning worry in the past month was evaluated in 250 non-clinical individuals and 50 patients with psychosis in a worry treatment trial. Exploratory factor analysis and item response theory (IRT) informed the selection of scale items. IRT analyses were repeated with the scales administered to 273 non-clinical individuals, 79 patients with psychosis and 93 patients with social anxiety disorder. Other clinical measures were administered to assess concurrent validity. Test-retest reliability was assessed with 75 participants. Sensitivity to change was assessed with 43 patients with psychosis.
A 10-item general worry scale (Dunn Worry Questionnaire; DWQ) and a five-item paranoia worry scale (Paranoia Worries Questionnaire; PWQ) were developed. All items were highly discriminative (DWQ a = 1.98-5.03; PWQ a = 4.10-10.7), indicating small increases in latent worry lead to a high probability of item endorsement. The DWQ was highly informative across a wide range of the worry distribution, whilst the PWQ had greatest precision at clinical levels of paranoia worry. The scales demonstrated excellent internal reliability, test-retest reliability, concurrent validity and sensitivity to change.
The new measures of general problematic worry and worry about paranoid fears have excellent psychometric properties.</abstract><cop>England</cop><pub>Cambridge University Press</pub><pmid>30947766</pmid><doi>10.1017/S0033291719000588</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0002-2541-2197</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Adult Anxiety disorders Anxiety Disorders - psychology Clinical research Cognition Cognitive ability Exploratory factor analysis Factor analysis Factor Analysis, Statistical Fear & phobias Female Humans Item response theory Male Medical treatment Mental depression Mental disorders Mental health Original Paranoia Paranoid Disorders - psychology Patients Population Principal components analysis Psychometrics Psychosis Psychotic Disorders - psychology Quantitative psychology Questionnaires Reproducibility of Results Schizophrenia Social anxiety Surveys and Questionnaires - standards Test-Retest reliability Worry |
| title | The Dunn Worry Questionnaire and the Paranoia Worries Questionnaire: new assessments of worry |
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