Table 3. Variance components at the teacher, student group, and class period level (Study 2).

Emotion	Variance
	Coefficient	SE	Proportion (%)
Enjoyment
Level 3: Teacher (σ2 ν0)	.19**	.05	28
Level 2: Student Group (σ2 u0)	.07**	.02	10
Level 1: Class Period (σ2 e)	.42**	.03	62
Anger
Level 3: Teacher (σ2 ν0)	.12**	.03	19
Level 2: Student Group (σ2 u0)	.09**	.02	15
Level 1: Class Period (σ2 e)	.41**	.03	66
Anxiety
Level 3: Teacher (σ2 ν0)	.10**	.03	31
Level 2: Student Group (σ2 u0)	.02**	.01	6
Level 1: Class Period (σ2 e)	.20**	.03	63

Note. N = 1,732; 1,737; and 1,738 for enjoyment, anger, and anxiety, respectively, on the class period level, due to missing values. N = 340 for all emotions on the student group level. N = 85 for all emotions on the teacher level.

* p < .05.

** p < .01.