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| Participant characteristics | Rhythm group M (SD) | Robot group M (SD) | Comparison group M (SD) | F or χ 2 value | p value |
|---|---|---|---|---|---|
| Age | 7.88 (2.56) | 7.52 (2.22) | 7.36 (2.02) | 0.44 | 0.65 |
| Gender | 10 M, 2 F | 11 M, 1 F | 11 M, 1 F | 0.56 | 0.76 |
| Socioeconomic status | 47.33 (10.86) | 47.75 (8.75) | 52.46 (10.37) | 0.97 | 0.39 |
