Scale name

Item number

Cronbach α

Sample item

Teacher emotional support

5

0.72

“My teacher really understand how I feel about things”

Teacher academic support

5

0.63

“My teacher cares about how much I learn”

Student emotional support

6

0.77

“In my class, other students are nice to me”

Student academic support

2

0.47

“In my class, other students want me to do well in school”

Promotion of mutual respect

5

0.50

“My teacher does not allow students to make fun of other students’ ideas in class”

Promotion of interaction

4

0.66

“My teacher often allows us to discuss our work with classmates”