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. 2018 Feb 1;61(2):373–385. doi: 10.1044/2017_JSLHR-L-17-0185

Table 4.

Morphological-level values derived from both coding systems and statistical results.

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.