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Table 4 Contrasts for bullying hypothesis

From: Use of social networks, video games and violent behaviour in adolescence among secondary school students in the Basque Country

Kruskal–Wallis test

N

Test statistic

Sig.

Bullying

   

Video games

2626

51.733

0.000**

  Girls

1231

7.218

0.065

  Boys

1354

12.433

0.006*

Online games

2604

49.136

0.000**

  Girls

1220

9.446

0.024*

  Boys

1343

9.098

0.028*

Internet and social media

2606

23.888

0.000**

  Girls

1224

31.771

0.000**

  Boys

1341

20.223

0.000**

Mobile phones

2627

26.527

0.000**

  Girls

1233

32.723

0.000**

  Boys

1353

18.495

0.000**

  1. Significance is indicated by (*) for p < 0.05 and (**) for p < 0.01