Purpose: This study investigated cumulative effects of language learning, specifically whether prior vocabulary knowledge or special education status moderated the effects of academic vocabulary instruction in high-poverty schools. Method: Effects of a supplemental intervention targeting academic vocabulary in first through third grades were…

Incorporated motivational procedures to teach question-asking to three children (ages three and five). All children learned to use questions in relation to items they had previously been unable to label and demonstrated generalization of spontaneous question-asking to new items and to their home environments with their mothers, with concomitant…

This purpose of this randomized group experiment was (a) to test the post-treatment (i.e., immediately after treatment) and follow-up (i.e., 8 months after the end of treatment) efficacy of a treatment designed to facilitate both sentence length and speech intelligibility (i.e., broad target recast), and (b) to explore whether pretreatment speech…