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Table 2 Internalizing symptoms and digital activities by gender, independent t-test and effect sizes (Cohen’s d) (N = 3957)

From: Does gender matter? The association between different digital media activities and adolescent well-being

  Girls Boys    
Mean SD Mean SD t-test p-value d
Internalizing symptoms 11.83 4.58 9.20 3.63 19.99 <.001 .64
Social media use 10.70 2.90 9.60 3.13 11.47 <.001 .36
 Chatting 3.90 1.35 3.67 1.43 5.14 <.001 .16
 Online sociability 4.03 1.28 3.63 1.39 9.49 <.001 .30
 Self-presentation 2.77 1.37 2.30 1.32 11.01 <.001 .35
Playing games 3.03 1.29 4.11 1.07 −28.81 <.001 −.92