. Author manuscript; available in PMC: 2014 Nov 1.

Published in final edited form as: Dev Psychol. 2013 Feb 25;49(11):10.1037/a0032019. doi: 10.1037/a0032019

Table 4.

Estimated mean differences (and standard errors) from T11 to T21 in composite scores with different types of experience at T1, controlling for age, self-rated health, word recall scaled score, and length of T1-T2 interval

Number of T1 Experiences	Different Test Versions		Same Test Version
Number of T1 Experiences	1	3	2
Memory	−.051 (.022)	.063 (.022)	.069 (.051)
Speed	−.129 (.019)	.043 (.020)	.143 (.047)
Reasoning	.082 (.021)	.066 (.019)	.107 (.043)
Spatial Visualization	.036 (.017)	.176 (.019)	.137 (.045)
Vocabulary	.016 (.013)	.017 (.014)	.112 (.033)

Note: Data for the same test version are from Salthouse and Tucker-Drob (2008).