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. Author manuscript; available in PMC: 2019 Nov 1.
Published in final edited form as: J Exp Psychol Learn Mem Cogn. 2018 Jul 19;44(11):1687–1713. doi: 10.1037/xlm0000547

Table 1.

Descriptive statistics of composite participant-level characteristics, and references to component tests. Labels used for predictors are given in italics.

Test Reference Predictor Min Max Median M SD
Comparative reading habits survey Acheson, D. J., Wells, J. B., & MacDonald, M. C. (2008). New and updated tests of print exposure and reading abilities in college students. Behavior Research Methods, 40(1), 278-289. Comparative reading habits (sum of all the subcomponents) 15 28 23 22.52 3.30
Author Recognition Test and Magazine Recognition Test, Acheson, D. J., Wells, J. B., & MacDonald, M. C. (2008). New and updated tests of print exposure and reading abilities in college students. Behavior Research Methods, 40(1), 278-289. Print exposure (sum of Author and Magazine Recognition Test scores) 4 48 16 17.66 9.57
Test of Word Reading Efficiency Torgesen, J. K., Wagner, R., & Rashotte, C. (1999). TOWRE–2 Test of Word Reading Efficiency. Reading efficiency 80 120 102 100.93 10.67
Vocabulary Size Test Nation, I.S.P. and Beglar, D. (2007) A vocabulary size test. The Language Teacher 31, 7: 9-13. Vocabulary size 20 71 56 53.07 11.87
The Wechsler Abbreviated Scale of Intelligence™ (WASI) Wechsler, D. (1999). Wechsler abbreviated scale of intelligence. Psychological Corporation. WASI verbal IQ 87 133 109 107.65 11.17
WASI reasoning IQ 71 124 107 104.45 12.44
Rapid automatized naming time (RAN) Denckla, M. B., & Rudel, R. (1974). Rapid automatized naming of pictured objects, colors, letters and numbers by normal children. Cortex, 10(2), 186-202. RAN naming time (sum of the mean-centered time spent reading letter and number RAN grids) −10.21 23.60 −0.42 −0.37 6.34
Eye-movement records on RAN grid. Denckla, M. B., & Rudel, R. (1974). Rapid automatized naming of pictured objects, colors, letters and numbers by normal children. Cortex, 10(2), 186-202. Mean total reading time for RAN 116 502 200 223 77
Mean regression rate for RAN 69 200 119 120 30
Mean skipping rate for RAN 59 201 98 101 25
Finger Tapping Carello, C., LeVasseur, V. M., & Schmidt, R. C. (2002). Movement sequencing and phonological fluency in (putatively) nonimpaired readers. Psychological Science, 13(4), 375-379. Tapping means (Inter-tap interval in tapping tasks, mean; averaged across four different measures of tapping) 119 277 167 171 34
Tapping SDs (Inter-tap interval in tapping tasks, SD; averaged across four different tapping measures) 31 95 61 59 16