Table 1. Frequencies of each response choice across all studies.
SINS scale point | Study 1 | Study 2 | Study 3 Time 1 | Study 3 Time 2 | Study 4 | Study 5 | Study 6 | Study 7 | Study 8 | Study 9 Time 1 | Study 9 Time 2 | Study 10 | Study 11 |
Pop. | CS | GA | CS | CS | CS | CS | GA | CS | CS | GA | GA | GA | GA |
N | 110 | 122 | 141 | 141 | 97 | 107 | 272 | 401 | 133 | 822 | 335 | 206 | 200 |
1 | 8.2% | 37.7% | 5.7% | 9.9% | 10.3% | 3.4% | 32.0% | 15.8% | 17.9% | 47.2% | 47.5% | 36.0% | 50.0% |
2 | 11.8% | 14.8% | 17.1% | 12.1% | 21.6% | 11.2% | 11.4% | 31.6% | 28.4% | 21.5% | 20.4% | 20.2% | 32.5% |
3 | 20.9% | 8.2% | 18.6% | 20.6% | 28.9% | 21.6% | 12.5% | 13.2% | 17.2% | 10.2% | 11.4% | 13.3% | 9.5% |
4 | 14.5% | 9.0% | 12.9% | 14.2% | 13.4% | 25.9% | 5.9% | 13.2% | 15.7% | 9.9% | 7.9% | 13.3% | 7.0% |
5 | 5.5% | 7.4% | 8.6% | 2.8% | 12.4% | 19.0% | 3.3% | 21.1% | 14.2% | 5.6% | 6.1% | 12.8% | 1.0% |
6 | 11.8% | 6.6% | 6.4% | 7.8% | 6.2% | 7.8% | 8.8% | 2.6% | 5.2% | 2.2% | 2.9% | 2.5% | — |
7 | 10.9% | 4.9% | 11.4% | 14.2% | 2.1% | 9.5% | 10.3% | 2.6% | 1.5% | 3.4% | 3.8% | 2.0% | — |
8 | 10.9% | 4.9% | 12.1% | 16.3% | 4.1% | 1.7% | 7.7% | — | — | — | — | — | — |
9 | 3.6% | 4.1% | 6.4% | 0.7% | 1.0% | 0.0% | 3.3% | — | — | — | — | — | — |
10 | 0.9% | 0.8% | 0.0% | 0.7% | 0.0% | 0.0% | 1.5% | — | — | — | — | — | — |
11 | 0.9% | 1.6% | 0.7% | 0.7% | 0.0% | 0.0% | 3.3% | — | — | — | — | — | — |
Mean | 4.66 | 3.41 | 4.71 | 4.64 | 3.49 | 4.16 | 4.00 | 3.11 | 3.01 | 2.25 | 2.29 | 2.62 | 1.77 |
SD | 2.44 | 2.73 | 2.49 | 2.49 | 1.83 | 1.61 | 3.00 | 1.62 | 1.57 | 1.62 | 1.67 | 1.64 | 0.96 |
Skewness | .36 | .98 | .35 | .24 | .92 | .30 | .65 | .46 | .49 | 1.33 | 1.32 | .71 | 1.25 |
Kurtosis | −.86 | −.10 | −1.09 | −1.16 | .55 | −.38 | −.81 | −.78 | −.70 | .96 | .84 | −.54 | .96 |
Note: Pop. = population; N = number of participants; CS = undergraduates; GA = general adult.
Sample sizes across all but one study were determined so that we had 95% power to detect significant effect sizes of r = .20. However for Study 7 we were unable to recruit more participants, meaning that the critical value for significant correlations was higher (r = .31) in this study.