Table 4.
Blackout | Brownout | Paired samples t-test | |||||
---|---|---|---|---|---|---|---|
Determinant (scale range) | M (SD) | M (SD) | t(349) | 95% CI | |||
Outcome beliefs (1–5) | |||||||
Good things would happen. | 1.80 (1.02) | 2.34 (1.04) | −12.41 | −0.62, −0.45 | |||
Bad things would happen. | 3.92 (1.07) | 3.50 (1.03) | 7.75 | 0.32, 0.53 | |||
Attitudes (1–5) | 1.82 (0.94) | 2.33 (0.95) | −13.31 | −0.59, −0.44 | |||
Injunctive norms (1–5) | |||||||
Personal approval | 2.09 (1.14) | 2.60 (1.10) | −9.79 | −0.62, −0.41 | |||
Perceived approval | 2.95 (1.11) | 3.35 (1.11) | −9.26 | −0.49, −0.32 | |||
Female descriptive norms (0–100) | |||||||
% by end of senior year | 58.75 (22.29) | 70.28 (23.18) | −14.73 | −13.07, −9.99 | |||
% in a typical month | 39.76 (22.59) | 50.83 (22.73) | −14.91 | −12.54, −9.62 | |||
Male descriptive norms (0–100) | |||||||
% by end of senior year | 67.58 (23.24) | 73.46 (23.09) | −8.55 | −7.23, −4.53 | |||
% in a typical month | 50.22 (23.90) | 58.64 (22.59) | −10.70 | −9.96, −6.87 | |||
Self-efficacy (0–100) | 80.22 (24.87) | 74.24 (24.94) | 6.96 | 4.29, 7.67 | |||
Intentions (1–6) | 2.01 (1.49) | 2.46 (1.59) | −7.20 | −0.57, −0.32 |
Note. CI = confidence interval. Higher scores indicate stronger agreement, more positive attitudes, and stronger approval. All paired-sample p-values < .001.