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. 2021 Mar 30;18(7):3571. doi: 10.3390/ijerph18073571

Table 1.

Statistics of the psychosocial scales.

Scales Mean SD Cronbach’s Alpha
Need to belong 26.77 7.93 0.88
Fear of missing out 20.28 8.18 0.91
Perceived attachment to phones 15.80 5.51 0.87
Habitual smartphone/internet behavior—Smartphone 27.45 7.39 0.95
Habitual smartphone/internet behavior—Internet 31.96 3.52 0.80
Self regulation 31.06 6.03 0.90
Boredom proneness—Lack of internal stimulation 30.95 6.01 0.81
Boredom proneness—Lack of external stimulation 20.12 7.20 0.81
Abbreviated version of the big five—Extraversion 5.49 2.49 0.76
Abbreviated version of the big five—Agreeableness 11.23 2.73 0.67
Abbreviated version of the big five—Conscientiousness 8.17 1.83 0.63
Abbreviated version of the big five—Neuroticism 4.86 2.36 0.79
Abbreviated version of the big five—Openness 7.47 2.06 0.60