TABLE 3.
Analysis of Covariance (ANCOVA) of Treatment Groups’ Mean Change in Verbal Communication Performance
| Total Number of Words Used by Subjects | |||||
|---|---|---|---|---|---|
| Pretest | Posttest | Significance | |||
| M | SD | M | SD | ns | |
| Walking Exercise | 64.61 | 51.85 | 32.50 | 43.41 | |
| Conversation Treatment | 55.68 | 61.42 | 43.15 | 43.01 | |
| Combined Walking/ Conversation | 43.60 | 42.41 | 32.27 | 38.75 | |
| Number of Information Units in Subject Responses | |||||
| Pretest | Posttest | Significance | |||
| M | SD | M | SD | p = .0433 | |
| Walking Exercise | 11.27 | 10.69 | 5.77 | 8.62 | |
| Conversation Treatment | 12.21 | 12.06 | 13.47 | 13.70 | |
| Combined Walking/ Conversation | 11.33 | 13.41 | 8.00 | 9.65 | |
| Conciseness of Subject Response | |||||
| Pretest | Posttest | Significance | |||
| M | SD | M | SD | p = .0101 | |
| Walking Exercise | 21.10 | 18.61 | 12.23 | 13.29 | |
| Conversation Treatment | 21.14 | 18.75 | 35.84 | 28.47 | |
| Combined Walking/ Conversation | 24.96 | 21.27 | 21.28 | 14.18 | |