Table 4.
Number and Percentage of Usable 1-second Epochs for Child Data and Combined Child and Parent Data by Context and Timepoint
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|---|---|---|---|---|---|
| Child-Only Data | Child and Parent Data | ||||
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| n | Mean (SD) # of Usable Epochs | Mean % of Usable Epochs | Mean (SD) # of Usable Epochs | Mean % of Usable Epochs | |
| Timepoint | |||||
| Age 2 | 114 | 220 (90) | 56% | 160 (83) | 41% |
| Age 3 | 31 | 268 (80) | 68% | 218 (67) | 57% |
| Context | |||||
| Movie | 48 | 197 (82) | 60% | 170 (77) | 52% |
| Puzzles | 25 | 252 (103) | 53% | 175 (104) | 41% |
| Books | 45 | 261 (90) | 57% | 172 (86) | 36% |
| Movie and Forms | 27 | 216 (66) | 64% | 174 (66) | 52% |
Note: This table represents 145 successful contexts which have been artifact-rejected from 49 dyads. Timepoint data are collapsed across contexts for each age; context data are collapsed across ages.