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It is well established that oral language skills in preschool, including vocabulary and comprehension, predict later reading proficiency and that substantial differences in oral language skills exist when children enter school. Although explicit instruction embedded in storybooks is a promising intervention approach, high-fidelity implementation in preschool classrooms remains a challenge. An automated, explicit vocabulary and comprehension intervention embedded in books was investigated in this early efficacy study. Nine children in public prekindergarten classrooms serving low-income families participated in small group “listening centers” in which they listened to recorded stories and embedded vocabulary and comprehension lessons under headphones. A repeated acquisition single-case experimental design across instructional targets was used. Results indicate modest improvements in vocabulary and comprehension with multiple replications demonstrated within as well as across children. Automated embedded vocabulary and comprehension intervention appears to be feasible for implementation and produces promising results. [ABSTRACT FROM PUBLISHER]

Researchers consistently report that children from low socioeconomic status (SES) families have, on average, smaller vocabularies as assessed by measures of existing vocabulary knowledge than children from higher SES families. Yet, few studies have examined the word-learning process of children from low SES families. The present study was an examination of fast mapping by preschoolers from low SES families. The study also examined the relation between measures of existing vocabulary and performance on the fast mapping task. Forty-six preschoolers (mean age: 4;6, range: 3;11-5;3) from low SES families completed a part-term fast mapping task and two measures of existing vocabulary knowledge. On the fast mapping task, children demonstrated the use of three sources of information (familiar whole objects, possessive syntax and whole-part juxtaposition). Measures of existing vocabulary did not correlate with performance on the fast mapping task. Findings suggest that children from low SES families use multiple sources of information in linguistic input to learn words. [ABSTRACT FROM AUTHOR]