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Intra-class correlation coefficients accounting for family group and site level variance in key dependent variables.
| Dependent Variable | Family Group ICC | Site ICC |
| Children Observing the Exhibit | 0.42 | 0.05 |
| Children Engaging with the Exhibit | 0.89 | 0.61 |
| Children’s Requests for Science Information | 0.16 | 0.06 |
| Children’s Science Explanations | 0.06 | 0.13 |
