We expect that word knowledge accumulates gradually. This article draws on earlier approaches to assessing depth, but focuses on one dimension: richness of semantic knowledge. We present results from a study in which three distinct item types were developed at three levels of depth: knowledge of common usage patterns, knowledge of broad topical…

"Fable Writer" is an online reading, writing and research tool designed to facilitate synchronous, collaborative writing tool that enables learners to read and copy text and images from teacher-curated books and Web-based resources in the "Fable Reader" digital library. The "Fable Writer" project addressed two…