. Author manuscript; available in PMC: 2018 May 1.

Published in final edited form as: Psychol Aging. 2017 Mar 23;32(3):278–292. doi: 10.1037/pag0000164

Table 2.

Parameter estimates and goodness-of-fit statistics from the full univariate dual change score models.

Parameters & Fit	Anxiety	Symbol Digit	Figure Identification	Thurstone
Constant change	=1	=1	=1	=1
Proportional change	.05 (.20)	0.11 (0.02)^**	.16 (.04)^**	.41 (.07)^**
Mean Intercept	48.95 (.79)^**	58.72 (.61)^**	58.63 (.86)^**	55.45(.43)^**
Mean Slope	−2.19 (9.87)	−7.07 (.97)^**	−9.80 (2.21)^**	−22.98 (3.65)^**
Intercept deviation	36.49 (10.66)^**	47.09 (4.42)^**	58.76 (5.25)^**	35.15 (3.03)^**
Slope deviation	.67 (.27)^*	.85 (.19)^**	1.89 (.63)^**	6.07 (2.03)^**
Error deviation	43.80 (3.52)^**	18.12 (1.03)^**	28.97 (1.42)^**	20.78 (1.05)^**
Misfit index: -2LL/parameters	−9033/15	−9693/15	−9879/15	−9690/15
Parameters & Fit	Digits Forward	Digits Backward	Blocks	Rotations
Constant change	=1	=1	=1	=1
Proportional change	.13 (.08)	.17 (.09)	.24 (.03)^**	.16 (.04)^**
Mean Intercept	53.28 (.76)^**	52.91 (.69)^**	57.59 (.53)^**	52.59 (.66)^**
Mean Slope	−7.27 (4.04)	−9.36 (4.74)^*	−14.20 (1.44)^**	−8.82 (2.06)^**
Intercept deviation	58.97 (6.07)^**	40.99 (5.35)^**	50.95 (3.49)^**	59.98 (4.85)^**
Slope deviation	1.22 (1.14)	1.36 (.27)	3.17 (.70)^**	1.81 (.84)^*
Error deviation	47.59 (1.74)^**	52.93 (2.52)^**	14.82 (.79)^**	26.74 (1.17)^**
Misfit index: -2LL/parameters	−11254/15	−11288/15	−9632/15	−8861/15

^**

denotes p <0.01

denotes p < 0.05