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Assessment of the accuracy of a new tool for the screening of smartphone addiction

2017; Public Library of Science; Volume: 12; Issue: 5 Linguagem: Inglês

10.1371/journal.pone.0176924

1932-6203

Júlia Machado Khoury, André Augusto Corrêa de Freitas, Marco Antônio Valente Roque, Maicon Rodrigues Albuquerque, Maila de Castro Lourenço das Neves, Fréderico Duarte Garcia,

Digital Marketing and Social Media

To translate, adapt and validate the Smartphone Addiction Inventory (SPAI) in a Brazilian population of young adults.We employed the translation and back-translation method for the adaptation of the Brazilian version SPAI (SPAI-BR). The sample consisted of 415 university students. Data was collected through an electronic questionnaire, which consisted of the SPAI-BR and the Goodman Criteria (gold standard). The retests were carried out 10-15 days after the initial tests with 130 individuals.The SPAI-BR maintained semantic, idiomatic and conceptual equivalences from the original scale. The Confirmatory Factor Analysis confirmed the One-factor model of the SPAI with good fit indexes (x2 = 767.861, CFI = 0.913, TLI = 0.905, RMSE = 0.061, WRMR = 1.465). The Kuder-Richardson Coefficient showed good internal consistency. The analysis of the ROC curve established an area under the curve of 86.38%. The Intraclass-Correlation Coefficient of 0.926 between the test and the retest demonstrated an excellent temporal stability. The high correlation between SPAI-BR and the Goodman Criteria (rs = 0.750) established the convergent validity.The SPAI-BR is a valid and reliable tool for the detection of Smartphone Addiction in Brazilian university students.