| [−20, −2] | [−10, −2] | −1 | 0 | 1 | [−1, 1] | [0, 1] | [2, 10] | [2, 20] |
Sample size | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 51 |
Average (%) | 0.75 | 1.45 | 0.08 | −0.49 | 0.02 | −0.39* | −0.47 | −0.24 | −0.58 |
t | 0.79 | 1.27 | 0.34 | −1.47 | 0.17 | −1.82 | 1.52 | −0.55 | −0.92 |