Table 2.
Linear regressions and effect sizes of mean study age on mean time perspective scores.
| Past negative | Past positive | Present fatalistic | Present hedonistic | Future | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Coeff | (SE) | p(t) | P. Eta2 | Coeff | (SE) | p(t) | P. Eta2 | Coeff | (SE) | p(t) | P. Eta2 | Coeff | (SE) | p(t) | P. Eta2 | Coeff | (SE) | p(t) | P. Eta2 | |
| Sample mean age | -0.01 | (0.00) | <0.01 | 0.15 | -0.00 | (0.00) | 0.266 | 0.02 | -0.00 | (0.00) | 0.497 | 0.00 | -0.01 | (0.00) | <0.01 | 0.16 | -0.00 | (0.00) | 0.755 | 0.00 |
| Year of publication | 0.03 | (0.01) | 0.027 | 0.09 | 0.09 | (0.02) | <0.01 | 0.27 | 0.03 | (0.01) | 0.018 | 0.09 | 0.06 | (0.01) | <0.01 | 0.28 | 0.07 | (0.02) | <0.01 | 0.11 |
| Percentage of females | -0.66 | (0.27) | 0.019 | 0.10 | 0.17 | (0.37) | 0.659 | 0.00 | -0.32 | (0.29) | 0.275 | 0.02 | -0.13 | (0.26) | 0.626 | 0.00 | 0.20 | (0.49) | 0.684 | 0.00 |
| Context of application | 0.17 | (0.13) | 0.203 | 0.03 | -0.00 | (0.19) | 0.963 | 0.00 | 0.03 | (0.14) | 0.813 | 0.00 | -0.00 | (0.13) | 0.951 | 0.00 | -0.15 | (0.24) | 0.527 | 0.00 |
| After other questionnaires | -0.04 | (0.09) | 0.644 | 0.00 | -0.11 | (0.14) | 0.422 | 0.01 | -0.20 | (0.09) | 0.046 | 0.06 | -0.15 | (0.08) | 0.095 | 0.04 | -0.04 | (0.16) | 0.784 | 0.00 |
| Questionnaire modification | -0.13 | (0.21) | 0.536 | 0.00 | 0.08 | (0.30) | 0.792 | 0.00 | -0.00 | (0.13) | 0.950 | 0.00 | 0.07 | (0.12) | 0.540 | 0.00 | 0.09 | (0.21) | 0.664 | 0.00 |
| Constant | -63.7 | (29.6) | 0.036 | -179.1 | (42.1) | <0.01 | -73.3 | (0.31) | 0.023 | -132.3 | (28.4) | <0.01 | -142.9 | (52) | <0.01 | |||||
| R2 | 0.28 | p(F) | 0.36 | p(F) | 0.18 | p(F) | 0.46 | p(F) | 0.14 | p(F) | ||||||||||
| 0.010 | <0.01 | 0.023 | <0.01 | 0.141 | ||||||||||||||||
| Number of studiesa | 56 | 56 | 66 | 66 | 67 | |||||||||||||||
aN’s change because of missing data.