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. Author manuscript; available in PMC: 2015 Jul 1.
Published in final edited form as: Pers Individ Dif. 2015 Jul;80:51–63. doi: 10.1016/j.paid.2015.02.006

Table 1.

Sample size in each country by age and concepts of enjoyment and self-perceived ability (SPA).

UK Inline graphic
Canada Inline graphic
Japan Inline graphic
Germany Inline graphic
USA Inline graphic
Russia Inline graphic
Enjoy SPA Enjoy SPA Enjoy SPA Enjoy SPA Enjoy SPA Enjoy SPA
9 years 2285 2294 508 508
10 years 529 529 366 369
11 years 346 348 508 508
12 years 3855 3855 516 516 366 360 363 361
13 years 242 243 508 508
16 years 1667 1667 193 193 74 74