A previously-reported experiment designed to determine if newborn infants can distinguish between an object and a picture of that object is flawed. The experimental design and an improved design are discussed. (BB)

Individuals may be able to exert considerable control over their perceptual experience and environmental awareness by deliberately varying their "cognitive sets" - plans for selecting and processing information. This theme is explored and a research project, which included eleven experiments, on the effects of cognitive sets is reported. (BT)

Sex and, to a partial degree, age had significant effects on sex role differentiation in preschool children, but income level had little effect. (Author/RL)

A total of 100 third and ninth grade students participated in a study to determine how children of different ages perceptually segment a continuing behavior sequence presented on a television program. The children were shown a short segment from a motion picture on a videotape viewer. Following the viewing, the children completed unitizing…

This status report on speech research includes 16 essays and extended reports. Included are "Perspectives in Vision: Conception of Perception?""The Perception of Speech,""The Dynamic Use of Prosody in Speech Perception,""Speech and the Problem of Perceptual Constancy,""Coperception,""Dichotic 'Masking' of Voice Onset Time,""The Number Two and the…

Shows that the mother's being employed and the social status of her job were unrelated to preschool children's sex role differentiation. Reports significant main effects for child's sex and for the relation between sex of child and sex of siblings. (Author/RL)

This paper examines the concept of decalage from two cognitive-change positions (structures of logical thought and attentional and verbal mediators) and proposes an alternative explanation for decalage from a perceptual-change point of view. The term decalage is used to summarize the relation between differences in performance of various age…