Recent studies have proposed developments to the Simple View of Reading to reflect reading development across age groups and differences among learner profiles and account for additional factors that explain reading comprehension performance beyond word recognition and language comprehension. One of these proposals is the inclusion of cognitive…

This exploratory study identified underlying skill and ability differences among subgroups of adolescent and young adult struggling readers (N = 290) overall and in relation to a fluency-based instructional grouping method. We used principal axis factoring of participants' scores on 18 measures of reading-related skills and abilities identified in…