Table 2.

Mean differences and t-values for the main variables.

	Mean difference	t	p
Intrinsic motivation	2.03	−10.72	***
Identified regulation	1.51	−7.58	**
External regulation	−1.44	7.52	***
Amotivation	−0.72	2.82	**
Subjective vitality	2.24	−12.59	***
Effort	2.09	−9.33	***
Value	0.83	−4.01	**
Interest	2.50	−3.29	***

**p < 0.01, ***p < 0.001.