Language development is frequently characterized as a process where learning proceeds implicitly, that is, incidentally and in absence of awareness of what was learned. This article reports the results of two experiments that investigated whether second language acquisition can also result in implicit knowledge. Adult learners were trained on an…

Cross-linguistic research on the development of tense-aspect marking has revealed a strong effect of lexical aspect. But the degree of this effect varies across languages. Explanation for this universal tendency and language-specific variation is still an open issue. This study investigates the early emergence and subsequent development of four…

The relation of social and linguistic input measures to early vocabulary development was examined in 30 low-income African American mother-infant pairs. Observations were conducted when the child was 0 years, 1 month (0;1), 0;4, 0;8, 1;0, 1;6, and 2;0. Maternal input was coded for word types and tokens, contingent responsiveness, and…

Reports on two studies that examined the natural process of word learning in children 4-11 years old. The children hear the new words in a conversation, a story, and paired with a definition. Results indicate that children at all ages could acquire a partial semantic representation from a single exposure. (SED)

A longitudinal study examined the acquisition of English articles by three six-year-old children whose native tongue is Chinese, a language without articles. Findings suggest that referential place-holding and referential substitution may not be a Chinese-specific second-language learning phenomenon, rather part of a universal referential strategy…

Examines the perception of four English vowels by adult native speakers of German. The role of foreign-language experience in the perception of second-language vowels was examined through labeling responses to members of synthetic continua in which vowel duration and spectrum were varied factorily. (42 references) (GLR)