Table 2 Pairwise post-hoc comparisons of group-level parameter posterior samples.

From: Uncertainty of treatment efficacy moderates placebo effects on reinforcement learning

Parameter

Contrast

Mean

CI

pd (%)

ps

% in ROPE

Learning rate (gain)

0–25%

āˆ’Ā 0.30

[āˆ’Ā 1.78, 1.13]

65.75

0.61

10.42

0–50%

āˆ’Ā 0.97

[āˆ’Ā 2.37, 0.42]

91.34

0.89

4.71

0–75%

āˆ’Ā 0.59

[āˆ’Ā 1.98, 0.78]

80.15

0.76

8.29

0–100%

āˆ’Ā 0.57

[āˆ’Ā 1.94, 0.84]

79.10

0.75

8.41

25–50%

āˆ’Ā 0.67

[āˆ’Ā 2.07, 0.72]

82.63

0.79

7.65

25–75%

āˆ’Ā 0.30

[āˆ’Ā 1.66, 1.04]

66.42

0.61

11.07

25–100%

āˆ’Ā 0.28

[āˆ’Ā 1.66, 1.09]

65.34

0.60

11.19

50–75%

0.38

[āˆ’Ā 0.91, 1.68]

71.34

0.66

11.00

50–100%

0.39

[āˆ’Ā 0.97, 1.68]

71.89

0.67

10.75

75–100%

0.02

[āˆ’Ā 1.27, 1.32]

51.13

0.45

12.98

Learning rate (loss)

0–25%

0.04

[āˆ’Ā 1.96, 1.96]

51.42

0.47

8.80

0–50%

0.90

[āˆ’Ā 1.71, 3.82]

74.59

0.71

6.60

0–75%

āˆ’Ā 0.20

[āˆ’Ā 1.98, 1.51]

58.38

0.54

9.64

0–100%

0.65

[āˆ’Ā 1.65, 2.99]

70.87

0.67

7.11

25–50%

0.86

[āˆ’Ā 1.90, 3.98]

72.55

0.69

6.38

25–75%

āˆ’Ā 0.24

[āˆ’Ā 2.04, 1.52]

59.90

0.55

9.36

25–100%

0.61

[āˆ’Ā 1.71, 3.06]

68.85

0.65

6.89

50–75%

āˆ’Ā 1.10

[āˆ’Ā 4.06, 1.31]

81.46

0.79

6.07

50–100%

āˆ’Ā 0.25

[āˆ’Ā 3.70, 3.12]

54.48

0.51

6.66

75–100%

0.86

[āˆ’Ā 1.24, 3.17]

78.18

0.75

6.51

Inverse gain

0–25%

āˆ’Ā 0.43

[āˆ’Ā 0.86, 0.00]

97.67

0.94

4.09

0–50%

āˆ’Ā 0.29

[āˆ’Ā 0.69, 0.12]

92.27

0.82

15.58

0–75%

āˆ’Ā 0.32

[āˆ’Ā 0.73, 0.08]

94.26

0.86

12.04

0–100%

āˆ’Ā 0.39

[āˆ’Ā 0.80, 0.04]

96.44

0.91

6.88

25–50%

0.14

[āˆ’Ā 0.23, 0.51]

76.87

0.58

33.98

25–75%

0.10

[āˆ’Ā 0.27, 0.47]

71.19

0.51

37.36

25–100%

0.04

[āˆ’Ā 0.34, 0.42]

58.84

0.38

40.88

50–75%

āˆ’Ā 0.03

[āˆ’Ā 0.37, 0.32]

57.53

0.35

44.88

50–100%

āˆ’Ā 0.09

[āˆ’Ā 0.45, 0.27]

69.72

0.48

39.23

75–100%

āˆ’Ā 0.06

[āˆ’Ā 0.42, 0.31]

62.85

0.42

41.34

  1. pd is the probability of direction, ps is practical significance. Region of practical equivalence (ROPE) was set to [āˆ’Ā 0.1, 0.1]. CI denotes the 95% confidence interval.