Table 2:
Group means (SD) and omnibus test results from ANCOVA analyses of the POS categories per 100 words, total number of words, and the ratio of content words of all participants.
| Significant group differences | Unique nouns | 14.7 (3.19) | 14.87 (5.93) | 16.73 (5.96) | 12.21 (5.19) | F(3,169)=3.46 | 0.018 |
| Nouns | 20.32 (4.4) | 20.16 (6.48) | 21.92 (8.7) | 17.49 (5.3) | F(3,169)=2.52 | 0.058 | |
| Pronouns | 7.33 (2.41) | 7.13 (3.77) | 6.46 (3.2) | 9.74 (3.9) | F(3,169)=7.66 | <0.001 | |
| wh-words | 0.34 (0.53) | 0.6 (1.12) | 0.34 (0.99) | 1.61 (1.72) | F(3,169)=9.26 | <0.001 | |
| Tense-inflected verbs | 12.47 (1.83) | 12.94 (3.68) | 11.26 (3.2) | 14.14 (2.98) | F(3,169)=3.92 | 0.01 | |
| Verbs | 22.56 (3.42) | 23.59 (4.86) | 20.22 (4.42) | 24.44 (4.06) | F(3,169)=3.86 | 0.011 | |
| Speech errors/partial words | 0.48 (0.89) | 1.42 (2.26) | 3.67 (3.4) | 0.89 (1.54) | F(3,169)=4.18 | 0.007 | |
| Adverbs | 5.59 (2.07) | 6.04 (4.36) | 4.37 (3.61) | 7.05 (3.36) | F(3,169)=2.82 | 0.041 | |
| Total words | 174.38 (66.38) | 109.99 (62.35) | 91 (55.8) | 127.57 (66.5) | F(3,169)=11.37 | <0.001 | |
| Adjectives | 5.54 (1.82) | 3.98 (3.16) | 3.17 (2.03) | 3.69 (2.04) | F(3,169)=5.87 | <0.001 | |
| Prepositions | 9.96 (1.94) | 7.63 (4.06) | 5.98 (3.19) | 7.24 (3.72) | F(3,169)=7.66 | <0.001 | |
| Determiners | 14.16 (2.48) | 14.85 (4.33) | 14.34 (5.4) | 13.35 (4.98) | F(3,169)=0.97 | 0.41 | |
| Conjunctions | 4.43 (1.91) | 5.12 (2.69) | 5.9 (4.68) | 4.85 (2.88) | F(3,169)=1.41 | 0.24 | |
| Fillers | 5.5 (2.56) | 5.89 (3.9) | 10.03 (10.3) | 6.27 (4.83) | F(3,169)=1.46 | 0.23 | |
| Ratio of content to function words | 1.32 (0.22) | 1.36 (0.33) | 1.3 (0.6) | 1.32 (0.36) | F(3,169)=0.7 | 0.55 |