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. Author manuscript; available in PMC: 2022 Aug 1.
Published in final edited form as: Cortex. 2021 May 24;141:482–496. doi: 10.1016/j.cortex.2021.05.002

Table 2.

Test Results for the Group of 62 Participants.

Test Mean±SD (%) Range (%)
REP 81.9±12.4 43.9–100
BNT 71.2±29.7 10–98.3
PPVT 86.8±18.1 19.4–100
NAT-NAVS 76.8±21.2 6.7–100
%G 76.2±18.1 9.1–100

All subjects had all 5 tests. Abbreviations: BNT-Boston Naming Test; %G-Percentage of grammatically correct sentences; NAT-NAVS- a composite test of sentence construction combining non-canonical sentences on the Northwestern Anagram Test and the Northwestern Assessment of Verbs and Sentences; REP- test of repetition; PPVT- the Peabody Picture Vocabulary test of word comprehension.