Table 3.

Estimates from Quadratic Growth Models for Positive, Negative Affect, and Peer Relationships

Positive Affect	Peer Relationship Construct
	Connectedness		Comfort		Negative Evaluation		Victimization
	b	SE	b	SE	b	SE	b	SE
Intercept	3.23**	0.15	3.21**	0.16	3.21**	0.16	3.21**	0.16
Time	−0.61**	0.07	−0.59**	0.07	−0.59**	0.07	−0.59**	0.07
Time2	0.07**	0.01	0.07**	0.01	0.07**	0.01	0.07**	0.01
Peer Relationship Constructa	0.03	0.03	0.05	0.05	−0.08	0.10	−0.09	0.11
Time x Peer Relationship Constructa	−0.01	0.02	−0.02	0.02	0.05	0.04	0.03	0.05
Time2 x Peer Relationship Constructa	0.003	0.002	0.005	0.003	−0.007	0.006	−0.003	0.01
Indices of Model Fit
AIC	615.0		565.7		564.3		564.0
BIC	622.8		573.2		571.9		571.6
Negative Affect	Connectedness		Comfort		Negative Evaluation		Victimization
	b	SE	b	SE	b	SE	b	SE
Intercept	1.70**	0.13	1.66**	0.12	1.66**	0.12	1.66**	0.12
Time	0.10	0.06	0.10	0.06	0.10	0.06	0.10	0.06
Time2	−0.03**	0.01	−0.03**	0.01	−0.03**	0.01	−0.03**	0.01
Peer Relationship Constructa	−0.02	0.03	−0.01	0.04	−0.03	0.07	0.02	0.08
Time x Peer Relationship Constructa	−0.002	0.01	0.03	0.02	0.09*	0.04	0.10*	0.05
Time2 x Peer Relationship Constructa	4.88×10−4	0.002	−0.004	0.003	−0.01*	0.01	−0.01*	0.01
Indices of Model Fit
AIC	463.3		418.7		407.4		397.8
BIC	471.1		424.4		413.1		403.4

Note.

^**p < .01,

^*p < .05.

^aPeer relationship construct is a placeholder for either connectedness, comfort, negative evaluation, or victimization;

AIC = Akaike Information Criterion;

BIC = Bayesian Information Criterion.