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Table showing the frequency of the three SDT components integrated in interventions, and their corresponding effect sizes (ES).
| Categories 1 | Total no. of Studies (n) | Significant (n) |
Large ES (n) | Moderate ES (n) | Small ES (n) | No Effect (n) |
|---|---|---|---|---|---|---|
| R | 3 | 2 | 0 | 1 | 1 | 1 |
| RC | 1 | 0 | 0 | 0 | 1 | 0 |
| RA | 1 | 1 | 0 | 0 | 1 | 0 |
| C | 2 | 2 | 1 | 1 | 0 | 0 |
| CA | 6 | 5 | 2 | 0 | 3 | 1 |
| A | 0 | 0 | 0 | 0 | 0 | 0 |
| CRA | 5 | 2 | 1 | 0 | 3 | 1 |
| None | 1 | 0 | 0 | 0 | 0 | 1 |
| Total R | 5 | 3 | 0 | 1 | 3 | 1 |
| Total C | 9 | 7 | 3 | 1 | 4 | 1 |
| Total A | 7 | 6 | 2 | 0 | 4 | 1 |
1 R = relatedness, A = autonomy, C = competence.
