Children ages 1 1/2 to 3 years were tested to determine their comprehension of the terms "in,""on," and "under." It was found that children who listened to a pretest story involving the objects to be used in the study showed markedly better comprehension of the terms than children not exposed to the pretest activity.…

Different experimental techniques for empirical assessment of children's linguistic ability have produced conflicting evidence. A number of such contradictions are discussed, in the context of an analysis of the potential weaknesses, and consequent requirements, of both comprehension and production tasks. (A commentary by P. L. Harris appears on…

Noting that the question of how to evaluate the effect of an educational program on child language reduces to the question of how to analyze child language, the author discusses ways to measure those functional aspects of child language which may be most sensitive to both environmental interferences and environmental facilitations. (Author/JM)

The collection of papers on language development and African-American children includes: "The Challenges of Conducting Language Research with African American Children" (Holly K. Craig); "Issues in Recruiting African American Participants for Research" (Joyce L. Harris); "Issues in Assessing the Language Abilities of…