To understand the development of number-word construction, students in grades 1, 3, 5, and 7 named and counted from a set of numbers into the billions in two studies. Findings are discussed both in relation to children's growing knowledge of the number system and to vocabulary development. (Author)

People of ages 4, 6, 8, 10, 20 and 70 years named pictures selected to represent the entire range of lexical consensus among 20-year-olds. Consensus within each group increased with age, up to 20. Data indicate words coding culturally important events are acquired earliest. (CHK)

A study examined how preschool children use information about linguistic contrast in learning new words. The 72 subjects were assigned to four groups to play a game. They were asked to get an unfamiliar item, one of nine swatches of different colors, shapes, and materials. In the first group, the children were told only one label (color, shape, or…

Twenty language-delayed children (age three to six) viewed a presentation incorporating object, action, attribute, and affective state words into a narrative script. In pre- and postviewing word comprehension measurements, subjects scored lower than children matched for chronological age and children matched for mean length of utterance.…

College students were presented with an artificial language in which spoken nonsense words were correlated with visual references. Inferences regarding vocabulary acquisition were drawn, and it was suggested that the processing of the language was mediated through a semantic memory system. (CK)