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      Spanish validation of the Problem Gambling Severity Index: A confirmatory factor analysis with sports bettors

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          Background and aims

          The Problem Gambling Severity Index (PGSI) is one of the most widely used screening tools for problem gambling (PG). However, to date, no empirically validated adaptation of the instrument to Spanish-speaking countries exists.


          A sample of 659 sports bettors ( M age = 35.1 years, SD = 10.12, 74.2% males) were recruited through an online research panel. A confirmatory factor analysis (CFA) was performed to confirm its construct validity. The participants were administered the Spanish version of the PGSI, along with the adaptation to Spanish of the DSM-IV PG instrument for convergent validity.


          The CFA of the Spanish PGSI showed satisfactory construct validity. The internal consistency (α ordinal = .97) as well as its convergent validity with the DSM-IV scores ( r = .77, p < .001) was good.


          The Spanish adaptation of the PGSI offers satisfactory validity and reliability properties, and is a good psychometric instrument for exploring the social consequences of PG in Spanish-speaking contexts.

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          Most cited references 31

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          Reporting practices in confirmatory factor analysis: an overview and some recommendations.

          Reporting practices in 194 confirmatory factor analysis studies (1,409 factor models) published in American Psychological Association journals from 1998 to 2006 were reviewed and compared with established reporting guidelines. Three research questions were addressed: (a) how do actual reporting practices compare with published guidelines? (b) how do researchers report model fit in light of divergent perspectives on the use of ancillary fit indices (e.g., L.-T. Hu & P. M. Bentler, 1999; H. W. Marsh, K.-T., Hau, & Z. Wen, 2004)? and (c) are fit measures that support hypothesized models reported more often than fit measures that are less favorable? Results indicate some positive findings with respect to reporting practices including proposing multiple models a priori and near universal reporting of the chi-square significance test. However, many deficiencies were found such as lack of information regarding missing data and assessment of normality. Additionally, the authors found increases in reported values of some incremental fit statistics and no statistically significant evidence that researchers selectively report measures of fit that support their preferred model. Recommendations for reporting are summarized and a checklist is provided to help editors, reviewers, and authors improve reporting practices.
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            Problem gambling worldwide: An update and systematic review of empirical research (2000–2015)

             Filipa Calado (corresponding) ,  Mark Griffiths (2016)
            Problem gambling has been identified as an emergent public health issue, and there is a need to identify gambling trends and to regularly update worldwide gambling prevalence rates. This paper aims to review recent research on adult gambling and problem gambling (since 2000) and then, in the context of a growing liberalization of the gambling market in the European Union, intends to provide a more detailed analysis of adult gambling behavior across European countries. A systematic literature search was carried out using academic databases, Internet, and governmental websites. Following this search and utilizing exclusion criteria, 69 studies on adult gambling prevalence were identified. These studies demonstrated that there are wide variations in past-year problem gambling rates across different countries in the world (0.12–5.8%) and in Europe (0.12–3.4%). However, it is difficult to directly compare studies due to different methodological procedures, instruments, cut-offs, and time frames. Despite the variability among instruments, some consistent results with regard to demographics were found. The findings highlight the need for continuous monitoring of problem gambling prevalence rates in order to examine the influence of cultural context on gambling patterns, assess the effectiveness of policies on gambling-related harms, and establish priorities for future research.
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              Reliability, validity, and classification accuracy of a measure of DSM-IV diagnostic criteria for pathological gambling.

              The purpose of this study was to measure the reliability, validity, and classification accuracy of the DSM-IV diagnostic criteria for pathological gambling.

                Author and article information

                Journal of Behavioral Addictions
                J Behav Addict
                Akadémiai Kiadó (Budapest )
                28 September 2018
                September 2018
                : 7
                : 3
                : 814-820
                [ 1 ]Psychology Department, University of Deusto , Bilbao, Spain
                [ 2 ]International Gaming Research Unit, Psychology Department, Nottingham Trent University , Nottingham, UK
                Author notes
                [* ]Corresponding author: Hibai Lopez-Gonzalez; Psychology Department, University of Deusto, Av de las Universidades, 24, Bilbao 48007, Spain; Phone: +34 685 711 501; Fax: +34 944 139 085; E-mail: hibai.lopez@
                © 2018 The Author(s)

                This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium for non-commercial purposes, provided the original author and source are credited, a link to the CC License is provided, and changes – if any – are indicated.

                Page count
                Figures: 0, Tables: 2, Equations: 0, References: 40, Pages: 7
                Funding sources: This work was supported by the Government of the Basque Country, Spain, under grant reference (Eusko Jaurlaritza, POS_2015_1_0062). This work has also been funded by the Spanish Organization of the Blind (ONCE, III International Award).
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