Type 1 questionnaire

Type 2 questionnaire

Utilitarian moral dilemma

D1

D2

D3

D4

D5

D1

D2

D3

D4

D5

Utilitarian answers

9%

40%

14%

91%

27%

73%

60%

6%

84%

13%

Non-utilitarian answers

91%

60%

86%

9%

73%

27%

40%

95%

17%

87%

Average CRT for utilitarians

0.40

0.91

0.88

0.85

0.68

0.98

1.16

1.08

1.06

0.97

Average CRT for non-utilitarians

0.89

0.81

0.85

0.81

0.91

1.27

0.89

1.05

1.05

1.07

Average CRT difference between the two groups: p-value^*

0.03

0.26

0.43

0.47

0.10

0.04

0.03

0.46

0.49

0.31

Average perceived wrongness of not adopting the utilitarian action (utilitarians)

3.47

2.45

2.33

2.11

2.28

3.07

2.86

3.31

2.82

2.83

Average perceived wrongness of not adopting the utilitarian action (non-utilitarians)

1.91

1.77

1.99

1.31

1.95

2.22

2.82

2.82

2.97

2.84

Average perceived wrongness difference between the two groups: p-value^*

0.00

0.00

0.12

0.00

0.09

0.00

0.41

0.03

0.25

0.49