[−20, −2]

[−10, −2]

−1

0

1

[−1, 1]

[0, 1]

[2, 10]

[2, 20]

Sample size

53

53

53

53

53

53

53

53

53

Average (%)

−1.78*

−2.45***

−0.17

1.17***

−0.15

0.85***

1.01***

−1.91**

0.92

t

−1.68

−3.76

−1.45

5.38

−1.26

4.14

4.37

−2.68

1.06