TABLE 4.
Mean lexical diversity differences and standard deviations (SD) and comparisons among discourse types for each group
| Comparison | Mean Δ | SD | t(42) | p |
|---|---|---|---|---|
|
Younger group
| ||||
| Procedural vs Eventcasts | −17.65 | 18.38 | −6.30 | <.001* |
| Eventcasts vs Story | −5.25 | 16.54 | −2.08 | .04 |
| Story vs Recounts | −6.00 | 15.57 | −2.78 | .008* |
|
| ||||
|
Older group
| ||||
| Procedural vs Eventcasts | −9.28 | 12.92 | −4.71 | <.001* |
| Eventcasts vs Story | −6.89 | 12.69 | −3.56 | <.001* |
| Story vs Recounts | −13.22 | 14.29 | −6.07 | <.001* |
To control for Type I Error, alpha was set to .008 for each simple effect.
*
p < .008.