TABLE 1.

Model numbers and the associated free parameters

Model number	Free parameter
1	Null
2	v
3	α
4	t 0
5	α, v
6	α, t 0
7	v, t 0
8	α, v, t 0

Abbreviations: v, drift‐rate; α, decision‐boundary; t ₀ , non‐decision time.