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- Uso abusivo de Facebook entre universitarios portugueses: contribución a la adaptación de la bergen Facebook addictionPublication . Dias, Paulo C.; Cadime, Irene; Castillo-López, Álvaro García del; García-Castillo, Fernando; Castillo, José Antonio García delOne of the emerging topics in behavioral additions are social networks and particularly the addiction to Facebook. In recent years several instruments have been presented to evaluate these behaviors that urges for the adaptation to different contexts and populations. In this study we present the psychometric properties of the Bergen Facebook Addiction Scale (Andreassen et al., 2012) with Portuguese university students in two studies with samples of 442 and 196 participants to whom the instrument was applied with other measures of addition to Internet intensive use of Facebook adapted to Portuguese context. The results allow us to find good validity and internal consistency, as well as temporary stability of the instrument. They also allow us to finding gender differences in the two studies, a correlation with age and academic performance. The results are discussed based on the literature and future studies are suggested.
- Further evidence for the structure of the Resilience Scale in Portuguese language countries: an invariance study with brazilian and Portuguese adolescentsPublication . Dias, Paulo César; Cadime, Irene; Perim, Paulo CastelarEspecially since the last decades of the 20th century, research about resilience provided some insights into how people deal and overcome adversity in a positive way. Given the recent research history on this topic, discussion about theories and measures is still ongoing. In this study we aim to explore the structural invariance of the Wagnild and Young's Resilience Scale (RS), one of the most widely used measures of resilience, across Portuguese and Brazilian adolescents. A sample of 969 adolescents with ages ranging between 13 and 18 years old completed the RS. A five- and a two-factor structure for the full RS version with 25 items and a one-factor structure for a RS short version, composed of 14 items, were tested using confirmatory factor analysis (CFA). After determining the best fitting structure, a multi-group CFA was performed to test the invariance of the instrument across the Portuguese and Brazilian samples. The five- and two-factor structures for the full version revealed a poor fit. The one-factor structure revealed a good fit in both samples. Moreover, evidence for the partial measurement invariance of the short version across both samples was found. Our results indicate that the RS short version can be used for cross-cultural studies of resilience in both countries and that the five- and two-factor structures might be inadequate for comparison purposes.
- Problematic internet and Facebook use and online gaming among university student: an exploratory studyPublication . Dias, Paulo; Cadime, Irene; Castillo, José Antonio García del; Marzo, Juan Carlos; Castillo-López, Álvaro García del; López-Sánchez, CarmenAdvances in technology have introduced new challenges and issues for policymakers and researchers. There is some debate in the literature whether the Internet, Facebook, and online gaming addictions may be true addiction disorders or are all manifestations of a more general information technology addiction. The purpose of this study is to explore gender differences in problematic Internet and Facebook use and online gaming, and the independence of these phenomena. The study sample comprised 500 college students, who completed a sociodemographic questionnaire, the Internet Addiction Test, Bergen Facebook Addiction Scale, and Online Gaming Scale. Males had more problems related to online gaming, and more problematic Internet and Facebook use. A bifactor model with one general and three specific factors - problematic online gaming, problematic Internet use and problematic Facebook use - obtained the best fit to the data. However, the specific variance explained by the factors of problematic Internet and Facebook use was low, but high in the case of problematic online gaming. Therefore, problematic online gaming seems to have more distinctive characteristics than the other two types of behavioural addictions.