Table 4.
Morphological variables | NNLA |
CLAN |
||
---|---|---|---|---|
Group with agrammatic aphasia, M (SD) | Control group, M (SD) | Group with agrammatic aphasia, M (SD) | Control group, M (SD) | |
Total comparative suffixes | 0.13 (.35) | 0.30 (0.67) | 0.13 (.35) | 0.50 (0.85) |
Total superlative suffixes | 0.00 (0.00) | 0.10 (0.32) | 0.00 (0.00) | 0.10 (0.32) |
Total possessive markers | 0.75 (1.49) | 0.80 (1.32) | 1.13 (1.36) | 0.90 (1.29) |
Total regular plural markers | 9.88 (10.23) | 15.20 (5.79) | 13.13 (10.16) | 13.20 (7.36) |
Total irregular plural forms | 1.13 (1.13) | 2.60 (1.71) | 1.75 (1.91) | 3.00 (1.63) |
Total third person present tense markers | 3.75 (3.73) | 12.50 (15.95) | 4.88 (7.20) | 11.10 (13.89) |
Total regular past tense markers | 5.13 (4.76) | 8.80 (5.57) | 5.00 (5.10) | 9.50 (5.84) |
Total irregular past tense markers | 14.13 (15.57) | 24.50 (13.80) | 16.75 (18.65) | 26.90 (13.76) |
Total regular perfect aspect markers | 6.25 (5.06) | 3.60 (3.10) | 7.13 (5.28) | 3.70 (2.71) |
Total irregular perfect participles | 1.00 (1.41) | 1.50 (0.97) | 2.63 (2.33) | 1.90 (1.45) |
Total progressive aspect markers | 0.25 (0.46) | 6.60 (3.50) | 1.00 (1.07) | 6.80 (4.57) |
Proportion of correct regular inflection | 86.74 (10.94) | 99.23 (2.43) | — | — |
Proportion of correct irregular inflection |
73.78 (33.63) |
86.74 (10.94) |
— |
— |
Mann–Whitney U between-groups tests | ||||
Morphological variables |
Group with agrammatic aphasia vs. control groups |
NNLA vs. CLAN |
||
NNLA |
CLAN |
Agrammatic |
Control |
|
Total comparative suffixes | U = 36.5; p = .63 | U = 32; p = .33 | U = 32; p = 1.00 | U = 44.5; p = .58 |
Total superlative suffixes | U = 36; p = .37 | U = 36; p = .37 | U = 32; p = 1.00 | U = 50; p = 1.00 |
Total possessive markers | U = 36; p = .67 | U = 35; p = .64 | U = 23; p = .30 | U = 46; p = .74 |
Total regular plural markers | U = 19.5; p = .07 | U = 38; p = .86 | U = 24.5; p = .43 | U = 33; p = .20 |
Total irregular plural forms | U = 20; p = .07 | U = 24; p = .15 | U = 27.5; p = .62 | U = 44; p = .64 |
Total third person present tense markers | U = 35; p = .65 | U = 33.5; p = .56 | U = 30; p = .83 | U = 47; p = .82 |
Total regular past tense markers | U = 26.5; p = .23 | U = 20; p = .07 | U = 31; p = .92 | U = 45.5; p = .73 |
Total irregular past tense markers | U = 24; p = .16 | U = 26.5; p = .23 | U = 30.5; p = .87 | U = 40.5; p = .47 |
Total regular perfect aspect markers | U = 14; p = .02* | U = 30; p = .39 | U = 16; p = .09 | U = 48; p = .88 |
Total irregular perfect participles | U = 12; p = .01* | U = 25.5; p = .18 | U = 18; p = .10 | U = 39; p = .38 |
Total progressive aspect markers | U = 33.5; p = .56 | U = 37.5; p = .83 | U = 28; p = .67 | U = 47.5; p = .85 |
Proportion of correct regular inflection | U = 11; p = .00* | — | — | — |
Proportion of correct irregular inflection | U = 5.5; p = .00* | — | — | — |
Note. Em dashes indicate data not [obtained]/[reported]/[available]. NNLA = Northwestern Narrative Language Analysis; CLAN = Computerized Language Analysis.
p < .05.