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      Psychometric properties of the Mental Health and Social Inadaptation Assessment for Adolescents (MIA) in a population‐based sample

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          Abstract

          We report on the psychometric properties of the Mental Health and Social Inadaptation Assessment for Adolescents (MIA), a self‐report instrument for quantifying the frequency of mental health and psychosocial adaptation problems using a dimensional approach and based on the DSM‐5 . The instrument includes 113 questions, takes 20–25 minutes to answer, and covers the past 12 months. A population‐based cohort of adolescents ( n = 1443, age = 15 years; 48% males) rated the frequency at which they experienced symptoms of Attention Deficit Hyperactivity Disorder (ADHD), Conduct Disorder, Oppositional Defiant Disorder, Depression, Generalized Anxiety, Social Phobia, Eating Disorders (i.e. DSM disorders), Self‐harm, Delinquency, Psychopathy as well as social adaptation problems (e.g. aggression). They also rated interference with functioning in four contexts (family, friends, school, daily life). Reliability analyses indicated good to excellent internal consistency for most scales (alpha = 0.70–0.97) except Psychopathy (alpha = 0.46). The hypothesized structure of the instrument showed acceptable fit according to confirmatory factor analysis (CFA) [Chi‐square (4155) = 9776.2, p = 0.000; Chi‐square/DF = 2.35; root mean square error of approximation (RMSEA) = 0.031; Comparative Fit Index (CFI) = 0.864], and good convergent and discriminant validity according to multitrait‐multimethods analysis. This initial study showed adequate internal validity and reliability of the MIA. Our findings open the way for further studies investigating other validity aspects, which are necessary before recommending the wide use of the MIA in research and clinical settings.

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          Statistical Power Analysis for the Behavioral Sciences

          <i>Statistical Power Analysis</i> is a nontechnical guide to power analysis in research planning that provides users of applied statistics with the tools they need for more effective analysis. The Second Edition includes: <br> * a chapter covering power analysis in set correlation and multivariate methods;<br> * a chapter considering effect size, psychometric reliability, and the efficacy of "qualifying" dependent variables and;<br> * expanded power and sample size tables for multiple regression/correlation.<br>
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            The Development and Well-Being Assessment: description and initial validation of an integrated assessment of child and adolescent psychopathology.

            The Development and Well-Being Assessment (DAWBA) is a novel package of questionnaires, interviews, and rating techniques designed to generate ICD-10 and DSM-IV psychiatric diagnoses on 5-16-year-olds. Nonclinical interviewers administer a structured interview to parents about psychiatric symptoms and resultant impact. When definite symptoms are identified by the structured questions, interviewers use open-ended questions and supplementary prompts to get parents to describe the problems in their own words. These descriptions are transcribed verbatim by the interviewers but are not rated by them. A similar interview is administered to 11-16-year-olds. Teachers complete a brief questionnaire covering the main conduct, emotional, and hyperactivity symptoms and any resultant impairment. The different sorts of information are brought together by a computer program that also predicts likely diagnoses. These computer-generated summary sheets and diagnoses form a convenient starting point for experienced clinical raters, who decide whether to accept or overturn the computer diagnosis (or lack of diagnosis) in the light of their review of all the data, including transcripts. In the present study, the DAWBA was administered to community (N = 491) and clinic (N = 39) samples. There was excellent discrimination between community and clinic samples in rates of diagnosed disorder. Within the community sample, subjects with and without diagnosed disorders differed markedly in external characteristics and prognosis. In the clinic sample, there was substantial agreement between DAWBA and case note diagnoses, though the DAWBA diagnosed more comorbid disorders. The use of screening questions and skip rules greatly reduced interview length by allowing many sections to be omitted with very little loss of positive information. Overall, the DAWBA successfully combined the cheapness and simplicity of respondent-based measures with the clinical persuasiveness of investigator-based diagnoses. The DAWBA has considerable potential as an epidemiological measure, and may prove to be of clinical value too.
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              Trends in psychopathology across the adolescent years: what changes when children become adolescents, and when adolescents become adults?

              Little is known about changes in the prevalence of psychiatric disorders between childhood and adolescence, and adolescence and adulthood. We reviewed papers reporting prevalence rates of psychiatric disorders separately for childhood, adolescence, and early adulthood. Both longitudinal and cross-sectional papers published in the past 15 years were included. About one adolescent in five has a psychiatric disorder. From childhood to adolescence there is an increase in rates of depression, panic disorder, agoraphobia, and substance use disorders (SUD), and a decrease in separation anxiety disorder (SAD) and attention-deficit hyperactivity disorder (ADHD). From adolescence to early adulthood there is a further increase in panic disorder, agoraphobia, and SUD, and a further decrease in SAD and ADHD. Other phobias and disruptive behavior disorders also fall. Further study of changes in rates of disorder across developmental stages could inform etiological research and guide interventions. © 2011 The Authors. Journal of Child Psychology and Psychiatry © 2011 Association for Child and Adolescent Mental Health.
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                Author and article information

                Contributors
                sylvana.cote.1@umontreal.ca
                Journal
                Int J Methods Psychiatr Res
                Int J Methods Psychiatr Res
                10.1002/(ISSN)1557-0657
                MPR
                International Journal of Methods in Psychiatric Research
                John Wiley and Sons Inc. (Hoboken )
                1049-8931
                1557-0657
                27 April 2017
                December 2017
                : 26
                : 4 ( doiID: 10.1002/mpr.v26.4 )
                : e1566
                Affiliations
                [ 1 ] Department of Social and Preventive Medicine University of Montreal Canada
                [ 2 ] Bordeaux Population Health Research Centre INSERM U1219 and University of Bordeaux Bordeaux France
                [ 3 ] Psychology Department University of Quebec in Montreal Montreal Canada
                [ 4 ] School of Psychoeducation University of Montreal Canada
                [ 5 ] School of Psychology Laval University, Canada and Tomsk State University Russia
                [ 6 ] School of Education University of Quebec Montreal Canada
                [ 7 ] Psychiatry Department University of Montreal Canada
                [ 8 ] McGill Group for Suicide Studies, Department of Psychiatry McGill University; Douglas Mental Health University Institute Montréal Québec Canada
                [ 9 ] CESP, INSERM, Univ. Paris‐Sud, UVSQ Université Paris‐Saclay France
                [ 10 ] School of Public Health, Physiotherapy and Sports Science University College Dublin Ireland
                Author notes
                [*] [* ] Correspondence

                Sylvana M Côté. Research Center, Ste Justine's Hospital, 3175 Chemin Côte Ste‐Catherine, Montreal, Canada. H3T 1C5.

                Email: sylvana.cote.1@ 123456umontreal.ca

                Author information
                http://orcid.org/0000-0003-1389-2610
                Article
                MPR1566 IJMPR-Nov-2016-0135.R2
                10.1002/mpr.1566
                5724652
                28449235
                2368775c-c405-4ee1-a1e0-b95ada072c3d
                © 2017 The Authors International Journal of Methods in Psychiatric Research Published by John Wiley & Sons Ltd

                This is an open access article under the terms of the Creative Commons Attribution‐NonCommercial‐NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.

                History
                : 25 November 2016
                : 20 February 2017
                : 23 February 2017
                Page count
                Figures: 1, Tables: 4, Pages: 10, Words: 4869
                Categories
                Original Article
                Original Articles
                Custom metadata
                2.0
                mpr1566
                December 2017
                Converter:WILEY_ML3GV2_TO_NLMPMC version:5.2.8 mode:remove_FC converted:11.12.2017

                Clinical Psychology & Psychiatry
                adolescent psychopathology,assessment,dimensional approach,population‐based sample,psychometrics

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