. Author manuscript; available in PMC: 2013 May 1.

Published in final edited form as: Dev Psychol. 2011 Sep 26;48(3):827–835. doi: 10.1037/a0025530

Table 1.

Participants and Major Procedures Conducted at Times 1, 2, and 3

Participants	Time 1	Time 2	Time 3
N (total)	50	70	76
N (returning)	--	37	68
Age of child	6–7 months	18–20 months	4 years
Procedures
Parent-Reported Temperament	IBQ	ECBQ	CBQ
Anticipatory and Reactive Looking	Visual Sequence (Static Images)	Visual Sequence (Video)	Visual Sequence (Static Images)
Attention			ANT
Response to Novel Objects	Toys
Response to Threatening Objects	Masks	Masks
Planning and Error Detection		Nesting Cups