... Where in the day could word learning occur? Receptive Vocabulary (in) & Expressive Vocabulary (out) The difference in the number of words known by students with poor ... on the central meaning Try to include something, someone, or describes in your explanation to clarify how the word is used Create and use instructional contexts • • • Contextual meaning for the ... Parkin, 1986) “We use words to think; the more words we know, the finer our understanding is about the world.” (Stahl, 1999) “Comprehension of a text depends crucially on knowledge of specific words...