Table 4.
Descriptive Statistics of Narrative Measures at Initial Assessments
| Study Phase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Wave 1 | Wave 2 | Wave 3 | |||||||
| Cohort | 4-year-olds | 6-year-olds | 8-year-olds | 4-year-olds | 6-year-olds | 8-year-olds | 4-year-olds | 6-year-olds | 8-year-olds |
| Age | 4 years | 6 years | 8 years | 5 years | 7 years | 9 years | 6 years | 8 years | 10 yrs |
| M (SD) | M (SD) | M (SD) | M (SD) | M (SD) | M (SD) | M (SD) | M (SD) | M (SD) | |
| a Length in propositions | 24.41 (13.31) |
26.83 (13.21) |
37.23 (21.36) |
32.83 (15.67) |
37.68 (18.17) |
57.68 (35.65) |
34.02 (20.33) |
43.51 (22.17) |
57.20 (35.98) |
| a Breadth (max=8.0) | 6.16 (1.72) |
6.92 (1.30) |
7.51 (0.84) |
6.50 (1.50) |
7.20 (1.12) |
7.67 (0.82) |
6.65 (1.51) |
7.51 (0.74) |
7.74 (0.80) |
| b Thematic Coherence | 1.07 (0.74) |
1.25 (0.59) |
1.56 (0.62) |
1.26 (0.67) |
1.55 (0.58) |
1.88 (0.48) |
1.05 (0.05) |
1.24 (0.49) |
1.38 (0.57) |
Note.
a
For length and breadth, the entire memory interview was coded;
b
for thematic coherence, only the open-ended portion of the interview was coded.