. Author manuscript; available in PMC: 2010 Jul 23.

Published in final edited form as: Exp Aging Res. 2005 Jul–Sep;31(3):291–312. doi: 10.1080/03610730590948195

Table 3.

Fitted approximately logarithmic AVLT performance growth model: ACTIVE pilot (n = 169)

Model part	Parameter	Estimate (SE)^a
Time scores
First trial	λ₁₂	0.000^b
Second trial	λ₂₂	0.464
Third trial	λ₃₂	0.736
Fourth trial	λ₄₂	0.928
Fifth trial	λ₅₂	0.996 (0.023)
Growth factor means
Initial recall (words)	α₁	5.531 (0.131)
Learning (words at trial five)	α₂	5.207 (0.181)
Growth factor variance/covariance
Initial recall	ψ₁₁	2.525 (0.364)
Learning	ψ₂₂	4.321 (0.674)
Covariance of initial recall, learning	ψ₂₁	0.147 (0.39)^c
Observed variable (AVLT) residual variance
First trial	θ₁₁	0.387 (0.240)
Second trial	θ₂₂	1.322 (0.170)
Third trial	θ₃₃	0.857 (0.132)
Fourth trial	θ₄₄	0.933 (0.170)
Fifth trial	θ₅₅	1.996 (0.278)

Standard error.

Entries in italic typeface are not estimated, but fixed equal to the shown value.

Parameter estimate not significantly different from zero.