Table B.1.

Phenotypic correlations between enjoyment and self-perceived ability at each age and for each school subject in each sample.

Age	Country	School subject	r	p	N
9 years	UK	Math	.73	.01	2276
		English	.57	.01	2272
		Science	.64	.01	2263
	Germany	Math	.70	.00	261
		German	.65	.00	261
10 years	Canada (Quebec)	Math	.69	.00	272
		Reading	.41	.00	272
	Japan	Math	.65	.00	181
11 years	Germany	Math	.79	.00	261
		German	.76	.00	261
	Japan	Math	.63	.00	172
12 years	UK	Math	.73	.01	3854
		English	.61	.01	3841
		Science	.67	.01	3835
	Canada (Quebec)	Math	.66	.00	262
		Reading	.59	.00	262
	Japan	Math	.72	.00	179
	USA	Reading	.60	.00	361
13 years	Germany	Math	.76	.00	261
		German	.45	.00	261
	Japan	Math	.66	.00	121
16 years	UK	Math	.53	.01	1653
	Japan	Math	.75	.00	95
	Russia	Math	.55	.01	51