... -Vocabulary knowledge (Dixon, LeFevre, & Twilley, 1988) -Rapid naming of letters or numbers (Arnell, Joanisse, Klein, Busseri, & Tannock, 2009;Kasperski, Shany, & Katzir, 2016;Kirby, Georgiou, Martinussen, & Parrila, 2010;Savage, & Frederickson, 2005) -Letter, name, and word matching (Stroud, 1945) -Short-term memory span (Naveh-Benjamin & Ayres, 1986) -Working memory span (Baddeley, Logie, Nimmo-Smith, & Brereton,1985;Perfetti, 1985) -Metacognitive knowledge (knowing when your text understanding is good enough for your reading goal; Jones, Conradi, & Amendum, 2016;Mokhtari & Reichard, 2002) -Number of book authors known (Choi, Lowder, Ferreira, & Henderson, 2015;Martin-Chang & Gould, 2008) -Amount of reading relative to peers (Choi et al., 2015) -Auditory word recognition (Breznitz & Berman, 2003) -Speech rate (Bosshardt & Fransen, 1996) -Spoken text comprehension (Hirai, 1999) -Visual acuity (Aberson and Bouwhuis, 1997) ...