Pronoun mastery demands a knowledge of speech roles and an ability to identify oneself and others in those roles. Twenty-one girls' knowledge of "my,""your," and "her" was assessed when they were speakers, addressees, and nonaddressed listeners. The children were aware of speech roles only when they themselves occupied these roles. (PJM)

Reports a study which examines some of the properties of objects to determine whether the number of different examples of an object concept presented to infants influences concept learning and generalization and to discover whether children's behavior and language in relation to new objects influence learning the concept and generalization to new…

Reports two studies which investigated the acquisition of color terms by preschool children. The first was designed to clarify the role of certain conceptual factors in the acquisition of color terms. The second explored how input may interact with these conceptual factors and help to guide the acquisition of color words. (SED)