Table 2 Summary of the main results from three-sub studies.
Performance scores | Mean | SE | T value | P value |
|---|---|---|---|---|
Study 1 | ||||
 Common goal | 49.64 | 1.78 |  |  |
 No-common goal | 44.81 | 2.16 |  |  |
 Paired-sample t-test analysis |  |  | −2.69 | 0.010* |
Relatively inferior | ||||
 Common goal | 46.33 | 2.27 |  |  |
 No-common goal | 36.00 | 2.16 |  |  |
 Paired-sample t-test analysis |  |  | −3.62 | 0.002** |
Relatively superior | ||||
 Common goal | 53.62 | 2.60 |  |  |
 No-common goal | 52.95 | 2.59 |  |  |
 Paired-sample t-test analysis |  |  | 0.47 | 0.646 |
Effects | Â | F value | P value | Effect size |
Study 2 | ||||
 Goal structure |  | 1.20 | 0.279 | 0.026 |
 Decision-making stage |  | 6.12 | 0.017* | 0.120 |
 Decision-making stage × Goal structure |  | 1.87 | 0.002** | 0.195 |
Study 3 | ||||
 Goal structure |  | 0.87 | 0.356 | 0.014 |
 Social value orientation |  | 0.79 | 0.378 | 0.013 |
 Social value orientation × Goal structure |  | 5.42 | 0.023* | 0.084 |