Table 1.
Descriptive statistics and correlations among variables of interest
| Mean | SD | Range | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. Internalizing T1 | 6.43 | 5.26 | 0-29 | - | ||||||||||||
| 2. Internalizing T2 | 6.28 | 5.86 | 0-29 | .647 | - | |||||||||||
| 3. Internalizing T3 | 5.99 | 5.39 | 0-22 | .663 | .654 | - | ||||||||||
| 4. Internalizing T4 | 5.49 | 4.96 | 0-26 | .519 | .615 | .678 | - | |||||||||
| 5. Externalizing T1 | 9.76 | 7.46 | 0-35 | .592 | .506 | .409 | .362 | - | ||||||||
| 6. Externalizing T2 | 9.44 | 7.77 | 0-42 | .450 | .676 | .388 | .434 | .748 | - | |||||||
| 7. Externalizing T3 | 8.76 | 7.35 | 0-40 | .466 | .520 | .579 | .433 | .697 | .752 | - | ||||||
| 8. Externalizing T4 | 7.09 | 6.49 | 0-35 | .324 | .493 | .307 | .553 | .575 | .742 | .676 | - | |||||
| 9. Neural Synchrony Frustration T1 | .504 | 1.10 | −2.40-3.02 | .079 | .050 | .052 | −.030 | .046 | −.034 | −.043 | −.125 | - | ||||
| 10. Neural Synchrony Play T1 | .490 | 1.04 | −1.85-3.67 | −.035 | .016 | .033 | .207 | .042 | .033 | .019 | .093 | .053 | - | |||
| 11. Behavioral Synchrony Frustration T1 | 292.22 | 128.39 | 0-488 | −.040 | −.188 | −.083 | −.038 | −.347 | −.288 | −.279 | −.161 | −.010 | .070 | - | ||
| 12. Behavioral Synchrony Play T1 | 305.77 | 106.25 | 18-517 | −.149 | −.265 | −.209 | −.141 | −.290 | −.238 | −.207 | −.134 | −.117 | −.036 | .476 | - | |
| 13. Age T1* | 57.83 | 7.12 | 48-71 | .055 | −.090 | −.050 | −.026 | −.078 | −.141 | −.121 | −.136 | −.047 | −.005 | .162 | .111 | - |
Note. Bold = p < .05.
*
Age in months