Experiment one

Experiment two

Probability

Reward

Probability

Reward

Arm

Probability

Reward

Probability

Reward

Arm

0.426

1

0.574

−1

1

0.426

1

0.574

−1

1

1.0

1

0.0

−1

2

0.5066

1

0.4934

−1

2

0.5809

1

0.4191

−1

3

0.5809

1

0.4191

−1

3

0.5066

1

0.4934

−1

4

1.0

1

0.0

−1

4