Students who struggle with reading comprehension in middle school often lack the academic vocabulary the need to understand grade-level textbooks and other instructional materials. Research shows that to learn a new word well, students need to encounter and use it multiple times in different contexts. The authors describe Word Generation, a…

The sheer quantity of words known (breadth) is strongly predictive of reading comprehension, yet little is understood about how quality of word knowledge (depth) affects comprehension. A group of 35 bilingual and monolingual 5th-grade students worked on developing depth of knowledge of 8 words, culminating in an activity in which the students…