Table 1.

Study One: Increasing and decreasing conditions.

Order	Increasing condition (n = 18)			Decreasing condition (n = 20)
	1	2	3	1	2	3
Reward size
	M ± SD	M ± SD	M ± SD	M ± SD	M ± SD	M ± SD
MRT (ms)	969 ± 224	1056 ± 261	1005 ± 263	1036 ± 216	1073 ± 228	1061 ± 208
SSD (ms)	700 ± 210	823 ± 197	835 ± 156	714 ± 229	778 ± 228	808 ± 221
SSRT (ms)	269 ± 106	232 ± 190	170 ± 210	321 ± 93	294 ± 133	253 ± 147
Failed stops (n°)	23.2 ± 6.2	21.9 ± 8.0	18.6 ± 8.5	24.6 ± 5.7	20.7 ± 7.7	18.8 ± 8.4
Missed go (n°)	7.4 ± 6.5	6.9 ± 5.4	8.8 ± 7.3	7.1 ± 8.3	7.2 ± 4.7	5.1 ± 3.3
Wrong keys (n°)	3.3 ± 3.9	1.9 ± 2	3.5 ± 3.4	1.5 ± 1.8	2.1 ± 1.9	1.3 ± 1.3
Rewards (n°)	30.7 ± 5.9	32.7 ± 7.2	36.3 ± 7.8	32 ± 5.4	33.5 ± 6.4	36.7 ± 8.4

All Measures of performance in speed and accuracy.

MRT, Mean reaction time; SSD, Stop signal delay; SSRT, Stop signal reaction time.