Today, more than ever before, awareness of our ability to interact with others through and use social network sites (SNSs) is of fundamental importance, in light of the fact that we are connected to the Web 24 h a day, 7 days a week. Studies of social media in recent decades have shown that self-efficacy is one of the key variables affecting individual online behavior. The general aim of the studies presented here was to develop and validate a new self-report scale measuring self-efficacy in SNS use (an SNS self-efficacy scale, or SNS-SES). Across two studies, a total of 1295 Italian adolescents and adults (ages 15 to 89; M = 38.21, SD = 15.6) participated. The SNS-SES consists of 24 items assessing four factors of self-efficacy in SNS use: task-oriented/technological, task-oriented/social, interpersonal, and emotional. Exploratory and confirmatory factor analyses showed a clear factorial validity of this stable four-factor solution.
Keywords: Psychometric properties; Questionnaire validation; Self-efficacy; Social media; Social network sites.
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