Table 5.

Estimated parameters of the parental investment measurement equations

Measure	Age of Child, 3 Years		Age of Child, 5 Years
	${\mathrm{\lambda }}_1^{\left(1\right)}$	${\mathrm{\lambda }}_1^{\left(2\right)}$	${\mathrm{\lambda }}_2^{\left(1\right)}$	${\mathrm{\lambda }}_2^{\left(2\right)}$
Frequency Mother Reads to the Child	1		1
	––		––
Frequency Father Reads to the Child	0.535**		0.612†
	(0.060)		(0.082)
Frequency Child Taken to the Library	0.375**		0.699**
	(0.043)		(0.103)
Frequency Regular Bedtime	0.371**		0.801**
	(0.042)		(0.113)
Frequency Watching TV	–0.125**		–0.331**
	(0.025)		(0.062)
Frequency Child Paints/Draws at Home		1		1
		––		––
Frequency Child Helped With Alphabet		2.403**
		(0.205)
Frequency Child Helped With Reading				2.027**
				(0.124)
Frequency Child Helped With Writing				3.985**
				(0.253)
Frequency Child Helped With Counting/Math		4.108**		2.950**
		(0.579)		(0.160)

Note: Standard errors are shown in parentheses.

^† p < .10; **p < .01