This study was designed to determine whether infants could perceive action role reversals when the direction of action is ruled out as a cue; whether infants consider inanimate, nonpotent objects to be unlikely agents; and whether both these discriminations could be reliably reflected in the heart rate response. (Author/SB)

In an attempt to clarify the role of nonlinguistic preferences in children's responses to the words more and less, children 3-4 years of age were administered three tasks. (Author/SB)

By age two, a child begins to form complex sentences by joining two or more sentences or by embedding one sentence into another. Formation of conjoined structures is a simpler process and emerges earlier than that of embedding structures. This paper attempts to answer the following questions: (1) Do children produce or understand embedding…

This is a survey of techniques that have been used to test language comprehension. The study of research completed in this field points up the fact that there is no single technique that universally gives valid and reliable information. Various definitions of language comprehension are examined with special emphasis placed on implications for the…

This paper reviews current literature concerning the development of children's comprehension of the processes of natural languages and it recommends a new study approach designed to evaluate the joint effects of lexical and syntactic devices on comprehension. It discusses three main kinds of investigations--studies of the comprehension of…