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., Kornitzer, M., & De Backer, G. (2001). Scale reliability and validity of the Karasek ’Job Demand-Control-Support’ model in the Belstress Study. Work & Stress, 15 (4), 297—313. Pines, A.M. (1993). Burnout: An existential

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, there is a huge lack of single test as Gold Standard and optimal diagnostic technique. The only way to increase reliability of diagnosis is to apply for a multi-diagnostic tool [ 70 , 73–75 ]. According to recent studies, for improving

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was used to assess the internal consistency (reliability) of the two derived subscales. Scores on the measure could range from 0 to 32. To examine predictive validity, a generalized linear regression model was used to determine the association between

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Journal of Behavioral Addictions
Authors: Elisabeth Franc, Yasser Khazaal, Katarzyna Jasiowka, Thibault Lepers, Francesco Bianchi-Demicheli, and Stéphane Rothen

dimension is associated with the frequency of sexual activities with a partner ( Spector et al., 1996 ). Good test–retest reliability ( Spector et al., 1996 ) has been reported, as well as convergent validity with other measures of sexual desire and with

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 months. The responses are provided on a Likert scale ranging from “never” (1) to “always” (5). The scale has demonstrated good construct validity (one factor structure, content, concurrent, and discriminant validity) and reliability (internal consistency

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items). One of the items (#8), loaded on both factors and was thus discarded. Reliability indices were determined by computing Cronbach's alpha for the remaining 9 items. This coefficient was 0.90 for the total score, 0.85 for Factor 1 and 0.84 for

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Journal of Behavioral Addictions
Authors: Jesús Castro-Calvo, Rafael Ballester-Arnal, Joel Billieux, Beatriz Gil-Juliá, and María Dolores Gil-Llario

using such instruments as diagnostic tools. In a review of the main instruments used to assess sex addiction symptoms, Hook, Hook, Davis, Worthington, and Penberthy ( 2010 ) point out some of the problems that compromise the reliability of the existing

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R. A. Zeller 1979 Reliability and Validity Assessment Sage Beverly Hills, CA . J

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posttraumatic growth in Germany. In T. Weiss, & R. Berger (Eds.), Posttraumatic growth and culturally competent practice (129—145). Hoboken, NJ: John Wiley & Sons Inc. Weiss, T., & Berger, R. (2006). Reliability and validity of a

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principle aim of the study is to highlight the importance of a creating biomass and specific growth rate estimator based on simple process parameter measurements. An additional step includes the improvement of the reliability and the robustness of the

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