1 id_autom - system ID
2 condition - fixed (sample size maximum 8 or 12) or inf (maximum sample size of 36)
3 trial_nr - sample #
4 max_sample - maximum sample size (pairs)
5 delta_p - absolute difference in true proportions of arrows up between options A and B
6 p_left - probability of arrow up for option A
7 p_right - " for option B
8 start_left - indicates whether unfolding of the sample starts with option A (otherwise B)
9 n_total - all uncovered (single) arrows of the sample (maximum 72)
10 n_left - arrows on option A
11 n_right - " B
12 pres_time - sampling time [ms]
13 choice - which option is chosen
14 correct - correctness of choice
15 ecu - summed payoff after this response
16 rt - response latency for deciding aside from sampling [ms]
17 time_used - summed time used [ms]
18 arrows_left - observed sample for option A (1 up, 0 down)
19 arrows_right - " option B
20 full_sample_left - full sample generated by the computer 
21 full_sample_right - "