Table 2.

Reliabilities, means, standard deviations, and intercorrelations of each subscale, Study 1a.

Subscale	M	SD	α	ω	Amotivation	P. External	P. Introjected	P. Identified	Excellence
Amotivation	2.707	1.393	0.863	0.866
P. External	3.615	1.257	0.788	0.794	0.205***
P. Introjected	4.299	1.289	0.890	0.892	0.209***	0.565***
P. Identified	5.260	1.014	0.889	0.893	−0.100	0.344***	0.629***
Excellence	5.117	1.213	0.884	0.887	−0.230***	0.103	0.329***	0.665***
Index score	1.293	0.962			−0.770***	−0.256***	0.030	0.514***	0.751***

P, Perfectionism. ^***p < 0.001.