The current study examined the relations among key variables that underlie reading comprehension of expository science texts in a diverse population of adult native English readers. Using Mechanical Turk to sample a range of adult readers, the study also examined the effect of text presentation on readers' comprehension and knowledge structure…

Uses a cognitive processing perspective to revise fifth grade social studies texts, to describe those revisions, and to demonstrate their effects empirically. Finds that students reading the revised text recalled more material and answered more questions correctly than did those reading the original text. Concludes that a text-processing approach…