. Author manuscript; available in PMC: 2021 Aug 1.

Published in final edited form as: Soc Dev. 2019 Nov 4;29(3):818–836. doi: 10.1111/sode.12424

Table 3.

Predicting GPA (Age 15)

	β	Δ R²	Total R²
Step 1.
Gender (1=M; 2=F)	.03
Family Income	.06
Parent Education Level	.24^**
		.362^***	.362^***
Step 2.
GPA (13)	.51^***
		.251^***	.613^***
Step 3.
Autonomy and Relatedness in Close Friendship (13)	.20^***
		.014^*	.627^***

Note.

p <.05

^**

p ≤.01

^***

p ≤.001.

β’s are from final model.