Table 5.
POWERS and %CIU in Natural Conversation
| Participant | Outcome measure | Pretreatment | Posttreatment | Maintenance |
|---|---|---|---|---|
| BU01 | Substantive turns | 49 (9.8) | 27 (8.0) | 14 (4.6) |
| Content words | 112 (22.4) | 73 (21.7) | 189 (62.3) | |
| Semantic paraphasias | 6 (1.2) | 3 (0.89) | 5 (1.7) | |
| %CIU | 77% | 48% | 65% | |
| Duration (min) | 5:00 | 3.36 | 3.03 | |
| BU04 | Total turns | 14 (2.8) | – | 9 (5.6) |
| Substantive turns | 10 (2.0) | – | 4 (2.5) | |
| Content words | 115 (23) | – | 8 (5) | |
| %CIU | 56% | – | 59% | |
| Duration (min) | 5.00 | – | 1.60 | |
| BU17 | Substantive turns | 44 (8.8) | 14 (3.2) | 3 (1.5) |
| Content words | 276 (55.2) | 243 (55.9) | 122 (61.9) | |
| Circumlocutions | 28 (5.6) | 8 (1.8) | 4 (2.0) | |
| %CIU | 55% | 61% | 54% | |
| Duration | 5.00 | 4.35 | 1.97 | |
| BU23 | Total turns | 31 (6.2) | 37 (7.4) | 39 (7.9) |
| Content words | 21 (4.2) | 79 (15.8) | 72 (14.6) | |
| %CIU | 59% | 45% | 45% | |
| Duration | 5.00 | 5.00 | 4.92 | |
| TU35 | Substantive turns | 5 (1.5) | 9 (1.8) | 4 (1.4) |
| Content words | 4 (1.2) | 5 (1) | 10 (3.4) | |
| %CIU | 70% | 94% | 63% | |
| Duration | 3.28 | 5.0 | 2.90 |
Abbreviations: CIU, correct information unit; POWERS, Profile of Word Errors and Retrieval in Speech.
Note: Data in parentheses are normalized by the duration of the speech sample (e.g., substantive turns per minute).