Table 2 Comparison of the Norwegian and English survey respondents

age, M ± SD

29.03 ± 9.27

29.26 ± 9.2

P = .898

Male; female (% male)

20, 19 (51%)

52; 30 (63%)

P = .088

# players; no players

36; 5

77; 5

P = .004*

PPS score, M ± SD

2.62 ± 0.8

3.47 ± 1.13

P < .001

hours of videogaming, M ± SD

15.57 ± 17.39

26.59 ± 24.11

P = .010

years of videogaming, M ± SD

18.67 ± 7.72

19.31 ± 7.56

P = .666

Action / adventure

3.34 ± 1.34

3.11 ± 1.49

P = .354

Offline role playing

2.66 ± 1.25

2.14 ± 1.25

P = .242

Online massive role playing

2.48 ± 1.53

1.86 ± 1.36

P = .025

Simulators

2.2 ± 1.32

1.86 ± 1.31

P = .498

Strategy / MOBA

2.78 ± 1.4

2.78 ± 1.51

P = .87

Sport

1.39 ± .86

1.42 ± .84

P = .208

PC; console; mobil

64;15;20

48;20;32

All P’s > .05

Delay discounting k, M ± SD

.017 ± .034

.077 ± .38

P = .328

Effort score, M ± SD

4.4 ± .84

4.57 ± .63

P = .205