Table 1 Descriptive data of demographic variables and BART performance in Experiments 1–2 and in an explorative study presented in the Supplementary Material.

From: Adaptation to recent outcomes attenuates the lasting effect of initial experience on risky decisions

Experiment Explorative study Experiment 1 Experiment 2
Condition
Lucky long
M(SD)
Lucky short
M(SD)
Unlucky long
M(SD)
Unlucky short
M(SD)
Lucky
M(SD)
Unlucky
M(SD)
Baseline
M(SD)
n 156 20 20 20 20 30 30 30
Gender [Male/female] 26/130 11/9 9/11 11/9 5/15 16/14 14/16 18/12
Age [years] 21.4 (3.9) 22.4 (1.6) 21.0 (1.1) 22.2 (1.3) 21.8 (1.3) 21.5 (1.6) 21.6 (1.6) 21.1 (1.4)
Education [years] 14.6 (2.1) 15.5 (1.3) 14.2 (0.9) 15.0 (1.1) 15.2 (0.9) 14.8 (1.4) 14.9 (1.4) 14.8 (1.6)
Mean adjusted pumps 8.3 (2.3) 8.7 (1.7) 9.3 (1.3) 5.7 (0.9) 6.5 (0.9) 8.1 (2.4) 7.1 (1.4) 7.9 (2.4)
Number of balloon bursts 12.4 (4.1) 11.3 (5.3) 14.2 (4.3) 10.1 (3.2) 9.8 (2.2) 12.1 (4.5) 9.5 (3.2) 11.0 (4.3)
Total score 711.7 (256.4) 797.2 (146.4) 758.6 (127.1) 405.1 (83.3) 517.0 (91.3) 651.1 (153.0) 624.0 (153.8) 644.6 (142.9)
  1. In Experiment 1, BART variables were calculated for the whole task (30 balloons), which included the initial phase with experimental manipulation (biased balloon characteristics). In Experiment 2, BART variables were calculated for the subsequent phase (30 unbiased balloons).