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. Author manuscript; available in PMC: 2020 Nov 1.
Published in final edited form as: J Learn Disabil. 2020 Jul 4;53(6):454–468. doi: 10.1177/0022219420931818

Table 1.

Demographics and Test Performance

Variables N Mean SD Skewness Kurtosis Min Max
Gender (male) 264 (147) - - - - - -
FRL (yes) 262 (220) - - - - - -
IEP (yes) 251 (20) - - - - - -
Race (Caucasian/Black/Hispanic) 264 (77/117/43) - - - - - -
ELL (yes) 261 (34) - - - - - -
Rapid Sound Naming 265 26.99 11.02 0.33 1.59 0 76
Rapid Letter Naming 265 37.40 12.41 −0.15 0.45 0 71
Phonemic Decoding Efficiency 265 2.52 2.82 1.09 0.48 0 12
Word Attack 265 2.78 2.97 0.87 −0.39 0 11
Vocabulary 265 16.63 6.20 −0.24 −0.03 0 33
Listening Comprehension 265 12.13 4.77 −0.17 −0.53 0 22
Passage Comprehension 265 8.87 2.83 0.13 −0.53 3 17
Non-verbal Reasoning 265 6.69 4.00 1.14 1.57 0 22
Listening Recall 265 2.22 3.08 1.20 0.67 0 12
TOWRE sight word pretreatment+ 265 10.03 (.03) 4.73 −0.23 −0.34 0 22
TOWRE sight word posttreatment+ 251 32.22 (.31) 10.11 0.09 −0.08 7 56
TOWRE sight word follow-up+ 236 43.81 (.14) 11.99 −0.32 −0.46 12 70

Note. N = the number of data points. FRL: Free/Reduced lunch status; ELL: English language learning status; Rapid Sound Naming: Rapid Sound Naming Test (D. Fuchs et al., 2001); Rapid Letter Naming: Rapid Letter Naming Test (D. Fuchs et al., 2001); Phonemic Decoding Efficiency: TOWRE-Phonemic Decoding Efficiency (Torgesen et al., 1999); Word Attack: WMRT-R-Word Attack (Woodcock, 1998); Vocabulary: WASI-Vocabulary (Wechsler, 1999); Listening Comprehension: WJ3-Oral Comprehension Subtest (Woodcock, 2001); Passage Comprehension: WRMT-R-Passage Comprehension Subtest (Woodcock, 1998); Non-verbal Reasoning: WASI-Matrix Reasoning Subtest (Wechsler, 1999); Listening Recall: WMTB-Listening Recall (Pickering & Gathercole, 2001); TOWRE sight word pretest, posttest, and follow-up: The Sight Word Efficiency subtest of the TOWRE (Torgesen et al., 1999) at the beginning of 1st grade, the end of 1st grade, and the end of 2nd grade, respectively.

Z scores of TOWRE performance at three time points are in parentheses and are based on the control group’s performance.