Compares two types of semantic development (the acquisition of disappearance words and success-failure words) to performance on two types of cognitive tasks (object-permanence and means-ends tasks) among infants. (HOD)

Two investigations of the acquisition of the meaning of "always" and "never," and "always,""never,""usually,""seldom," and "sometimes" are discussed. Results demonstrate that the acquisition sequence of meanings of related words may vary among children at the beginning, but become consistent in later acquisition. (CHK)

This chapter, to be included in "Carmichael's Manual of Child Psychology," edited by P.A. Mussen, deals with the connection between the acquisition of language and the growth of intellect, and the connection between both of these and the process of maturation. The author feels that various theories of development cannot account for the child's…

A study was undertaken to determine whether children in early periods of language development use stress with any regular patterns, and if so, on what the patterns are based. The subjects were five children aged 21-29 months, MLU between 1.3 and 2.4. Tape recordings were made during play sessions with each child. Two-word utterances that could be…

THIS PAPER IS A STUDY OF A CHILD'S EARLIEST PRETRANSFORMATIONAL LANGUAGE ACQUISITION PROCESSES. A MODEL IS CONSTRUCTED BASED ON THE ASSUMPTIONS (1) THAT SYNTACTIC ACQUISITION OCCURS THROUGH THE TESTING OF HYPOTHESES REFLECTING THE INITIAL STRUCTURE OF THE ACQUISITION MECHANISM AND THE LANGUAGE DATA TO WHICH THE CHILD IS EXPOSED, AND (2) THAT…