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Authors: Severin Haug, Raquel Paz Castro, Min Kwon, Andreas Filler, Tobias Kowatsch and Michael P. Schaub

Introduction Smartphones are becoming increasingly indispensable in everyday life and offer a substantial variety of mobile applications for information, communication, education, and entertainment purposes. Smartphones

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Introduction Smartphones enable ready access to the Internet and have a wide range of functions. In addition to making phone calls, users are able to play games, gamble, chat with friends, use messenger systems, access web

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Turkish Version of the Smartphone Addiction Scale in a younger population . Bulletinof Clinical Psychopharmacology , 24 ( 3 ), 226 – 234 Dworak , M. , Schierl , T. , Bruns , T

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Authors: Seung-Yup Lee, Donghwan Lee, Cho Rong Nam, Da Yea Kim, Sera Park, Jun-Gun Kwon, Yong-Sil Kweon, Youngjo Lee, Dai Jin Kim and Jung-Seok Choi

, household Internet access rose from 55% in 2007 to 85% in 2015, and Internet access through a mobile device also increased from 36% in 2012 to 59% in 2016 ( Eurostat, 2017 ). Personal computers and smartphones have also become popular among children and

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Authors: Yeong Seon Jo, Soo Young Bhang, Jung-Seok Choi, Hae Kook Lee, Seung Yup Lee and Yong-Sil Kweon

, 2016 ). In 2019, GD was passed as an official disease included in the ICD-11 ( WHO, 2019 ). Preliminary data showed that addiction to the Internet, games, and smartphones is a serious social phenomenon, which requires clinical attention; however, the

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Background and aims

Smartphones allow users to access social networking sites (SNSs) whenever and wherever they want. Such easy availability and accessibility may increase their vulnerability to addiction. Based on the social cognitive theory (SCT), we examined the impacts of outcome expectancies, self-efficacy, and impulsivity on young Chinese smartphone users’ addictive tendencies toward SNSs.


Two hundred seventy-seven Macau young smartphone users (116 males and 161 females; mean age = 26.62) filled out an online Chinese questionnaire concerning their usage of social networking sites via smartphones, addiction tendencies toward SNSs, impulsivity trait, outcome expectancies toward the use, and Internet self-efficacy.


The findings revealed that those who spent more time on SNSs also reported higher addictive tendencies. Addictive tendencies were positively correlated with both outcome expectancies and impulsivity, but negatively associated with Internet self-efficacy. These three psychological variables explained 23% of the variance in addictive tendencies.


The findings of this study suggest that, compared to demographics, psychological factors provide a better account for addictive tendencies towards SNSs among Chinese smartphone users in Macau. The three psychological risk factors were low Internet self-efficacy, favorable outcome expectancies, and high impulsivity trait. Educational campaigns with screening procedures for high-risk groups are recommended for effective prevention and treatment.

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Authors: Tayana Panova and Xavier Carbonell

Introduction The recent development of the multifunctional smartphone and its subsequent global popularity has changed the communication and information landscape; remolded the interests, values, and desires of many users; and

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Authors: Miles Richardson, Zaheer Hussain and Mark D. Griffiths

Introduction The UK is now a “smartphone society” with 68% of adults owning a smartphone ( Poushter, 2016 ). Uncontrolled and excessive use of a smartphone can give rise to social, behavioral, and affective problems ( Choliz

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Authors: Attila Körmendi, Zita Brutóczki, Bianka Petra Végh and Rita Székely

. Haug et al. ( 2015 ) identified indicators of smartphone addiction using a short version of the Smartphone Addiction Scale for Adolescents in Switzerland. Smartphone addiction occurred in 256 of the 1,519 students, mainly in younger adolescents (15

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Authors: Haoran Meng, Hongjian Cao, Ruining Hao, Nan Zhou, Yue Liang, Lulu Wu, Lianjiang Jiang, Rongzi Ma, Beilei Li, Linyuan Deng, Zhong Lin, Xiuyun Lin and Jintao Zhang

Introduction Recent national reports ( China Internet Network Information Center, 2016 ; Ji, Shen, Yang, & Ji, 2018 ) showed that about 90% of Chinese adolescents used smartphones in their daily lives. Adolescents have

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