Three experiments investigated a characteristic of the propositions that underlie sentences. For some of the sentences tested, the same concepts occurred repeatedly across the underlying propositions; for others, concepts were seldom repeated. Repetitions were shown to facilitate sentence processing. (Author/RM)

Two experiments examined the comprehension of singly and multiply negated sentences. Difficulty of comprehension was measured by the speed and accuracy with which subjects judged the semantic reasonableness of sentences. Marked and negatively prefixed adjectives were a particular focus of the study. (Author/RM)

An experiment is described that involved presenting sentences to the subject for study and then testing single words for recognition (the subject had to decide whether the test word was in one of the study sentences). A large priming effect was obtained. (Author/RM)

Acquisition of the words "this" and "that" was tested by a comprehension and a production task with children aged 4 and 7. It was confirmed that children would learn the spatial contrast between the words and apply it from the speakers viewpoint; non-egocentrism was not deemed necessary for correct use. (CHK)

Preschoolers' ability to understand grammatical relations in passives and to generalize was studied using animate referents. Three- to five-year-old children were taught to produce passive sentence descriptions of events in which animacy of the actor and acted-on object were varied. After pretesting to determine passive sentence comprehension, the…

The range of meanings of "big" and "little" that mothers and their three children under age two expressed in relatively natural communication situations was studied. Longitudinal data from transcripts of conversations of middle-class mothers and their children were analyzed along with diary records kept by parents of their children's use of size…

This review, based on a survey of more than 1200 items in the research literature, begins by attempting to outline a theory of language comprehension and learning from language. A lengthy chapter is devoted to problems in the measurement of comprehension and of learning from connected discourse. Also considered, in successive chapters, are the…