Table 5.

Parameter estimates for the adaptive control of thought-rational (ACT-R) dual-system model.

Parameter	Value	Description
β0	8.107708	Scaling parameter on activation for predicting goal recall
β1	4.896597	Weight, implementation intention activation in predicting probability goal recall
β2	3.535064	Weight, memory activation of performing goals in predicting probability goal recall
β3	−0.732805	Scaling parameter on utility of goal striving productions
β4	0.297554	Weight, implementation intention activation in utility of goal striving productions
β5	1.396243	Weight, memory activation of performing goals in utility of goal striving productions
a	1.000000	Scaling parameter on base-level activation learning
c	0.077193	Slope parameter on base-level activation learning
U0	−3.818326	Initial utility of new habit
α	0.291842	Utility learning rate for the habit
R	0.000000	Reward value for new habit