Appendix.

Alternative Specifications of OLS Regression Estimates Relating Uncertain Aspirations at Age 16 to Hourly Wages at Age 26

Women	Model 1			Model 2			Model 3			Model 4			Model 5			Model 6
Main Effects	b	se	t-ratio	b	se	t-ratio	b	se	t-ratio	b	se	t-ratio	b	se	t-ratio	b	se	t-ratio
Uncertain (age 16)	−.029	(.013)	−2.14	−.076	(.035)	−2.16	−.065	(.028)	−2.36	−.033	(.041)	−.80	−.024	(.012)	−1.99	−.023	(.012)	−1.96
Professional Job (age 26)	.073	(.015)	4.95
Parent(s) Educ Expect				.002	(.002)	1.07
Parent(s) Education							−.007	(.004)	−1.95
Family Income										.011	(.002)	5.26
Academic Ability													.017	(.006)	2.70
Teacher-rated effort																−.006	(.002)	−2.57
Interaction Effects
Uncertain * Professional Job	.032	(.034)	.93
Uncertain * Par Educ Expect				.006	(.004)	1.59
Uncertain * Par Educ							.014	(.008)	1.73
Uncertain * Fam Inc										.001	(.004)	.21
Uncertain * Ability													.008	(.012)	.69
Uncertain * Effort																.002	(.006)	.36
Sample size	4,515			4,515			4,515			4,515			4,515			4,515

Men	Model 7			Model 8			Model 9			Model 10			Model 11			Model 12
Main Effects	b	se	t-ratio	b	se	t-ratio	b	se	t-ratio	b	se	t-ratio	b	se	t-ratio	b	se	t-ratio
Uncertain (age 16)	−.035	(.016)	−2.22	.021	(.042)	.51	−.026	(.039)	−.66	−.010	(.079)	−.12	−.043	(.015)	−2.94	−.043	(.015)	−2.91
Professional Job (age 26)	.084	(.016)	5.28
Parent(s) Educ Expect				.002	(.002)	.81
Parent(s) Education							−.010	(.006)	−1.87
Family Income										.015	(.003)	5.88
Academic Ability													.003	(.006)	.51
Teacher-rated effort																.001	(.003)	.19
Interaction Effects
Uncertain * Professional Job	−.058	(.037)	−1.55
Uncertain * Par Educ Expect				−.008	(.005)	−1.63
Uncertain * Par Educ							−.005	(.012)	−.47
Uncertain * Fam Inc										−.003	(.008)	−.45
Uncertain * Ability													−.014	(.016)	−.88
Uncertain * Effort																.000	(.006)	−.04
Sample size	4,352			4,352			4,352			4,352			4,352			4,352

Note. Models include all variables from Table 4 (estimates not shown)