Table 5. Percentage of trials with persistence in Experiment 4, second session.

Individual data ordered from subject with lowest second session datum to subject with highest second session datum

Conditions	Individual data	Mean	SD
5, 50, 100, 220	0(a), 0(3), 0(6), 0(8), 5(47), 7(13), 54(23), 61(40), 100(93)	25.2	37.06
10, 40, 80, 160	0(19), 6(a), 37(30), 46(87), 56(24), 70(76), 100(89), 100(97), 100(100), 100(100), 100(100), 100(100)	67.9	38.38

Note. Persistence in a trial is defined as completion of that trial (in the 5, 50, 100, 220 condition, excluding FR 5 trials; in the 10, 40, 80, 160 condition, excluding FR 10 trials). Parentheses 5 first-session data for each subject.

^a Data not available because of an error in the data recording process.