. Author manuscript; available in PMC: 2011 Sep 1.

Published in final edited form as: Dev Psychol. 2010 Sep;46(5):1192–1205. doi: 10.1037/a0020616

Table 3.

Formation of Predictor Composites via Principal Component Analysis

Predictor Composites
Level One (for multisource shyness and anxiety)				Level Two

IC		BI		Negative Family Affect- EC
Measures with 1^st PC loadings		Measures with 1^st PC loadings		Measures with 1^st PC loadings
Dinky Toys-Comp	.61	Risk Room-Composite	.48	FEQ: Negative Dominant	.78
Snack Delay-Comp	.61	E-rated (3 yrs): Fearfulness	.68	FEQ: Negative Submissive	.46
CBQ (3 yrs): IC	.74 (m)	E-rated (3 yrs): Social Engagement	.65	CRPR: Authoritarian Control	.50
	.71 (f)	Stranger: Active Fear (1^st PC)	−.30	CRPR: Negative Affect to Child	.65
		Stranger: Inhibition (2^nd PC)	.27	CRPR: Rational Guidance	−.39
		CBQ (3 yrs): Fear	.46 (m)	CRPR: Control by Anxiety	.67
			.30 (f)	CRPR: Control by Guilt	.61
		CBQ (3 yrs): Shyness	.78 (m)
			.72 (f)

Note. m = mother, f = father, E = experimenter, EC = early childhood, MC = middle childhood