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…

Purpose: The primary purpose of this study was to investigate child impacts following implementation of a comprehensive language curriculum, the Language-Focused Curriculum (LFC; Bunce, 1995), within their preschool classrooms. As part of this larger purpose, this study identified child-level predictors of expressive language outcomes for children…

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…

A study accessed the outcomes achieved by preschoolers with both severe mental retardation and autistic features who received intensive Lovass (O Ivar) behavioral treatment (n=11) and those who received minimal treatment (n=10). Results found that the intensively treated children obtained a higher mean IQ and evinced more expressive speech.…

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…