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Floyd, Randy G.; McGrew, Kevin S.; Evans, Jeffrey J. – Psychology in the Schools, 2008
This study examined the relative contributions of measures of Cattell-Horn-Carroll (CHC) cognitive abilities in explaining writing achievement. Drawing from samples that covered the age range of 7 to 18 years, simultaneous multiple regression was used to regress scores from the Woodcock-Johnson III (WJ III; Woodcock, McGrew, & Mather, 2001) that…
Descriptors: Writing Achievement, Phonemes, Writing Skills, Cognitive Ability