Table 2.

	Pretest ANOVA			Posttest ANCOVA			Posttest-pretest ANCOVA
	F	p	D	F	P	d	F	P	d
Autonomy	64.77	.00	.52	211.17	.00	.88	79.70	.00	.72
Competence	23.84	.00	.28	75.48	.00	.55	13.97	.00	.18
Relatedness	1.86	.18	.14	43.71	.00	.59	32.87	.00	.35
Intrinsic motivation	4.89	.03	.06	229.12	.00	.88	19.92	.00	.24
Identified regulation	7.62	.01	.10	676.90	.00	.96	1.26	.27	.00
Introjected regulation	4.77	.03	.06	159.83	.00	.84	12.65	.00	.16
External regulation	.89	.35	.00	73.37	.00	.71	29.99	.00	.33
Demotivation	4.80	.03	.06	158.76	.00	.84	1.53	.22	.01
SDI	.41	.53	.01	372.26	.00	.93	57.65	.00	.49
Enjoyment	2.56	.12	.03	7.54	.00	.18	13.42	.00	.17

Note: SDI = Self-determination index