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Social networks have a positive impact on everyday life, however, excessive and uncontrolled use can generate addictive pathological patterns. Objective. Propose a short version of the Social Network Addiction questionnaire (ARS-6). Method: 839 Peruvian adolescents and young people participate (M = 16.17; SD = 3.10), 58.8% women. A conceptual analysis of items based on the component model was implemented, different confirmatory factor analysis (AFC) models were identified to analyze the internal structure of the scale and measurement invariance analysis (AFC-MG). Results. The AFC models identified an overlap between the dimensions (correlations > .86) that was contrasted with a bifactor model, in addition, a non-parametric model of item response theory (Mokken) was implemented for scaling the short version. The invariance of measurement for the group according to gender was identified at all levels. Conclusion. The short version presents adequate evidence of the validity of its internal structure and reliability of the scores for its use. [ABSTRACT FROM AUTHOR]

Instability on the dark side? Factorial structure, measurement invariance and reliability of the Dirty Dozen Dark Triad in the general population of Lima. [ABSTRACT FROM AUTHOR]

The objective of this paper is to analyze the psychometric properties of the Young Schema Questionnaire - Short Form (YSQ-SF, 75-item version) in a sample of 400 university students between ages 17 and 57 (M = 23.3; SD = 5.36). To analyze the internal structure, an exploratory factor analysis (EFA)model was used due to the factor complexity found in previous studies, which showed eight factors. Subsequently, a confirmatory factor analysis was carried out by comparing the solution resulting from the EFA. A high level of internal consistency was obtained. It is concluded that the YSQ-SF has adequate psychometric properties, which support its use as an instrument for evaluating early dysfunctional schemas in university students. [ABSTRACT FROM AUTHOR]

The impact of social networks on people's daily lives is alarming, especially among adolescents and young people, which seems to exceed the limits of normal use and to be oriented towards pathological patterns that could lead to an addictive disorder. The objective of this study was to provide evidence of validity and reliability of BFAS scores. A sample of 510 university students was used and the average age of the participants was 20.74 years (SDage = 2.57) and 54.1% were women. For the Bergen Facebook Addiction Scale (BFAS) the questionnaire Fear of Missing Out (FoMO) was applied as a measure of contrast (r = .60). The internal structure was determined under the confirmatory factorial analysis (CFA), the equivalence of measurement was also evaluated by multigroup factor analysis models (CFA-MG) where levels of invariance were verified by sex, age and academic involvement. The relevant use of the alpha coefficient was corroborated by the implementation of restrictions in confirmatory models to evaluate tauequivalence and parallel measures, where adequate results were obtained (α = .84). This version of the BFAS reports useful evidence for research into behavioral addictions due to its need to be included in batteries that assess addictions to social networks. [ABSTRACT FROM AUTHOR]