Table 1.

Cox Regression of the Effect of Predictability on Attention Preferences

Covariate	Coef (β)	exp (β)	SE (β)	z	p
Unigram model
Linear surprisal	−.071	0.931	.024	−2.942	.003**
Quadratic surprisal	.061	1.063	.016	3.729	.0001***
Transitional model
Linear surprisal	−.054	0.948	.024	−2.238	.03*
Quadratic surprisal	.058	1.060	.013	4.428	1 × 10−5***

Note. For each regression model, linear and quadratic effects were entered simultaneously. Surprisal was centered and standardized to have a mean of 0 and a standard deviation of 1 before being squared.

^*p ≤ .05.

^**p ≤ .01.

^***p ≤ .001.