Spanish-speaking preschoolers learning English in a bilingual preschool program were videotaped while working independently on tasks to examine their spontaneous private speech. Results show that the private speech of bilingual preschoolers appears to develop normally. Positive effects of second-language learning in a bilingual program on the…

Sixty-seven Mexican-American children were administered a special 7-week Head Start language training program during the summer of 1967. Three basic treatments were used, and there was a control group. Two teachers were used, thus raising the number of groups to eight. The three basic treatments involved a structured English language training…

One hundred twenty first-grade Mexican-American students (60 from each Fort Worth and Laredo, Texas) were subjects of an experiment which attempted to determine whether bilingualism inhibits verbal ability in one or both of the children's languages. The PPVT-A (Peabody Picture Vocabulary Test, Form A) was used to test verbal ability and…