Analyses revealed consistent support for the hypothesis that number conservation is developmentally prior to liquid quantity conservation. (Authors)

The data indicated that disadvantaged children required more time to process visual information than did middle-class children, but the processing speed for the 2 groups tended to become more similar as grade level was increased. (Author)

Results of the present study confirm the importance of the contingency variable in experiments dealing with the effect of supportive comment upon children's performance. (Author)

Matched groups of good and poor readers were administered a task that involved making same-different judgments for various combinations of auditory sequential, visual sequential, and visual spatial patterns. (Author)

It was concluded that while retinoblastoma per se is not associated with intellectual superiority or inferiority, retinoblastoma associated with blindness may result in selective cognitive superiority. (Authors)

Results indicated that at all age levels Ss held a predominantly favorable view of the mesomorph, a markedly unfavorable view of the endomorph, and a somewhat less negative but still unfavorable view of the ectomorph. (Authors)

Study reports a technique for analyzing and categorizing certain gross features of the receptive language environment which constitute the primary source material for all of a baby's language learning. (Authors/MB)

Purpose of this paper is to discuss some of the environmental and behavioral factors in children's day-to-day lives that are associated with hyperactivity and to examine its stability over time. (Authors)

Prediction was not supported that responses followed by positive or negative social consequences would immediately be repeated or changed, respectively. (Author/MB)

Results support the contention that infant attention should be divided into separate attention-getting and attention-holding processes. (Author)

A developmental model for paranoid behavior has been proposed which postulates that the attempt to adapt to sustained aversive maternal control by manipulative social approach behaviors (open adaptive style) leaves the person vulnerable to emerging paranoid tendencies. (Author)

The question-asking behavior of disadvantaged Mexican-American second-grade children was found readily modifiable using an adult model offering contingent praise. (Authors)

Neither content of instructions nor personality characteristics are effective independently, but rather they combine to produce a rather clear-cut joint effect, with the dominant rather than the warm person's instruction being followed. (Author)

Significantly greater imitation of the teacher model's incidental behaviors was observed among advantaged children, among girls, and in response to the positive reinforcing teacher. (Authors)

Although Ss underestimated the size of the illusion in the predicted direction, no significant correlations between size of illusion and either age or IQ were found. (Authors)