Many researchers have assumed that adult bilinguals have separate systems for their two languages. Such an assumption raises interesting questions about how the two languages are acquired in the case of a child learning two languages simultaneously. This study attempts to determine whether the two languages are acquired separately right from the…

A study was conducted to compare the relative performance on yes-no questions of bilingual and monolingual children and to discuss the relationship of semantic development and linguistic development, both in the bilinguals and monolinguals. Eighteen English monolingual, eighteen Japanese monolingual, and eighteen Japanese-English bilingual…

Research was conducted to examine the language acquisition of a Mexican-American child who has been brought up in a linguistic environment where code-switching between Spanish and English is the dominant style of speaking. In addition, the relation of code- switching to the acquisition of bilingualism is analyzed. The speech of the subject, a…

A study was conducted in 1972-73 in Berkeley, Rome, Dubrovnik, and Istanbul, in order to examine the differences and similarities in the sequence of the development of locative expressions in English, Italian, Serbo-Croatian, and Turkish. The subjects consisted of 48 two-, three-, and four-year-olds in each field site. Groups of three girls and…

This paper investigates the development of negative Wh-questions in a four year old subject acquiring English as her L1. Spontaneous and elicited speech samples were collected over a period of 6 months. During the course of the study, the subject began to invert subject and auxiliary, and by the end of the study she was inverting correctly in 38%…