Table 1. Correlation coefficients for estimated model parameters (base learning rate δ, change of learning rate D, and accumulation N) and median AoA to frequency and imageability of words.

	Frequency		Imageability
	variables	correlation (95% interval)	variables	correlation (95% interval)
Weibull	D	0.141 (0.036, 0.202)	D	−0.492* (−0.571, −0.405)
	δ	0.120 (0.037, 0.203)	δ	0.335 (0.234, 0.429)
Gamma	N	0.170 (0.087, 0.250)	N	−0.366 (−0.457, −0.267)
	δ	0.287* (0.208, 0.362)	δ	−0.189 (−0.292, −0.081)
Weibull-gamma	N	−0.145 (−0.227, −0.062)	N	0.458 (0.367, 0.541)
	D	0.167 (0.084, 0.248)	D	−0.461 (−0.543, −0.370)
	δ	−0.156 (−0.237, −0.073)	δ	0.447 (0.354, 0.530)
Median	AoA	0.054 (−0.044, 0.124)	AoA	0.444 (0.352, 0.528)

The asterisks show the best significant predictor for each psychological factor. The values in the parentheses indicate 95% lower and upper bounds of the correlations.