Means, standard deviations and correlations
| Study variables | M | SD | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
|---|---|---|---|---|---|---|---|---|---|---|
| Proactive personality | 4.02 | 0.83 | – | |||||||
| Willingness to volunteer | 4.13 | 1.10 | −0.21 | – | ||||||
| Altruism | 3.86 | 1.17 | −0.07 | −0.18 | – | |||||
| Intrinsic motivation | 4.61 | 0.49 | 0.08 | 0.03 | 0.24 | – | ||||
| Extrinsic motivation | 4.57 | 0.65 | 0.19 | 0.07 | −0.08 | 0.61* | – | |||
| Affective commitment | 3.96 | 0.70 | 0.19 | 0.18 | 0.02 | 0.50* | 0.53* | (0.67) | ||
| Normative commitment | 4.15 | 0.73 | 0.26 | 0.05 | 0.25 | 0.54* | 0.46* | 0.58* | (0.74) | |
| Psychological ownership | 3.82 | 0.93 | 0.04 | 0.11 | 0.16 | 0.42* | 0.55* | 0.58* | 0.59* | – |
| Study variables | M | SD | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
|---|---|---|---|---|---|---|---|---|---|---|
| Proactive personality | 4.02 | 0.83 | – | |||||||
| Willingness to volunteer | 4.13 | 1.10 | −0.21 | – | ||||||
| Altruism | 3.86 | 1.17 | −0.07 | −0.18 | – | |||||
| Intrinsic motivation | 4.61 | 0.49 | 0.08 | 0.03 | 0.24 | – | ||||
| Extrinsic motivation | 4.57 | 0.65 | 0.19 | 0.07 | −0.08 | 0.61 | – | |||
| Affective commitment | 3.96 | 0.70 | 0.19 | 0.18 | 0.02 | 0.50 | 0.53 | (0.67) | ||
| Normative commitment | 4.15 | 0.73 | 0.26 | 0.05 | 0.25 | 0.54 | 0.46 | 0.58 | (0.74) | |
| Psychological ownership | 3.82 | 0.93 | 0.04 | 0.11 | 0.16 | 0.42 | 0.55 | 0.58 | 0.59 | – |
Notes:
p < 0.05; reliabilities are displayed along the diagonal; M = mean; SD = standard deviation