Development of the Smartphone Addiction Scale for College Students

Object:To develop the Smartphone Addiction Scale for College Students(SAS-C) and test its validity and reliability. Methods: All the subjects were college students who used smartphone. A sample of 243 subjects was investigated with pre-Scale,with item analysis and exploratory factor analysis (EFA) to measure the data from pre-Scale. A sample of 209 subjects was investigated with the Smartphone Addiction Scale for College Students,with confirmatory factor analysis (CFA) to explore the homogeneous reliability and construct validity. The test-retest reliability was tested by 29 subjects 1 week later. Result: The developed scale consisted of 22 items,including 6 factors,namely,withdrawal behavior,salience behavior,social comfort,negative effects,use of application (App) and renewal of App. 60. 62% of the total variance was explained. It had satisfying structure validity (χ2/df =1. 57,CFI = 0. 92,IFI = 0. 93,RMSEA = 0. 05,SRMR 0. 001). The Cronbach coefficients of the whole scale and its six factors were 0. 44- 0. 88,and the test-retest coefficients were 0. 93 for the whole scale,and 0. 72- 0. 82 for the six factors. Conclusion: It reveals that the Smartphone Addiction Scale for College Students has satisfactory validity and reliability,and could be used to measure the smartphone addiction in college students.