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The Two Cohorts’ Mean Age, Number of Mental-State Verbs Used, and False-Belief Performance at Time 1 and Time 2
| Cohort | N | Time 1 (2001) |
Time 2 (2003) |
||||
|---|---|---|---|---|---|---|---|
| Age (years) | Mental-state verbs | False-belief performance | Age (years) | Mental-state verbs | False-belief performance | ||
| First | 8 | 26.8 (3.3) | 1.13 (1.1) | 0.5 (1.41) | 28.7 (3.1) | 3.9 (3.6) | 1.5 (1.3) |
| Second | 10 | 17.5 (1.4) | 7.20 (2.6) | 3.8 (0.63) | 19.1 (1.5) | 7.4 (5.5) | 2.6 (0.96) |
Note. Standard deviations are given in parentheses.
