Table A3.

Measurement models and model fits of RT parameter models.

Model/Task	Measurement Model/Parameter			Model Fit
	Loadings (Range)			χ2 (df)	p	RMSEA [CI]	SRMR	CFI
Regression Models
Ex-Gaussian Model	μ	σ	τ
Search	0.69 (0.64;0.75)	0.48 (0.20;0.73)	0.66 (0.60;0.69)	117.64 (59)	0.00	0.09 [0.07;0.11]	0.12	0.92
Comparison	0.82 (0.65;1.00)	0.66 (0.50;0.77)	0.80 (0.70;0.88)	63.09 (59)	0.33	0.02 [0.00;0.06]	0.05	1.00
Substitution	0.85 (0.84;0.86)	0.62 (0.54;0.70)	0.76 (0.75;0.77)	87.45 (59)	0.01	0.06 [0.03;0.09]	0.07	0.96
Diffusion Model	a	ν	Ter
Search	0.78 (0.69;0.88)	0.74 (0.70;0.78)	0.70 (0.64;0.80)	127.29 (59)	0.00	0.10 [0.07;0.12]	0.08	0.89
Comparison	0.84 (0.78;0.92)	0.72 (0.56;0.87)	0.77 (0.63;1.02)	73.05 (59)	0.10	0.04 [0.00;0.07]	0.06	0.98
Correlation Models
Ex-Gaussian Model	μ	σ	τ
Search	0.69 (0.64;0.75)	0.48 (0.20;0.73)	0.66 (0.60;0.69)	117.64 (59)	0.00	0.09 [0.07;0.11]	0.12	0.92
Comparison	0.82 (0.65;1.00)	0.66 (0.50;0.77)	0.80 (0.70;0.88)	63.09 (59)	0.33	0.02 [0.00;0.06]	0.05	1.00
Substitution	0.85 (0.84;0.86)	0.62 (0.54;0.70)	0.76 (0.75;0.77)	87.45 (59)	0.01	0.06 [0.03;0.09]	0.07	0.96
Diffusion Model	a	ν	Ter
Search	0.78 (0.69;0.88)	0.74 (0.70;0.78)	0.70 (0.64;0.80)	127.29 (59)	0.00	0.10 [0.07;0.12]	0.08	0.89
Comparison	0.84 (0.78;0.92)	0.72 (0.56;0.87)	0.77 (0.63;1.02)	73.05 (59)	0.10	0.04 [0.00;0.07]	0.06	0.98

RMSEA with 95% CI.