Three groups of college students were exposed to a 22 minute interview with a cerebral palsied person, in either an audio, video, or transcript format. An expectancy questionnaire covering such aspects as academic and vocational achievements, communication with the public, ability to handle put downs, and effectiveness of sexual expression was…

Investigated the relation between infant expectations and reaction time (RT) at age 3 months, and Childhood IQ and RT at 4 years. Found that visual RT and manual RT in childhood correlated only marginally. Data suggested stability in RT between early infancy and childhood, or predictability of childhood IQ by infant RT and anticipation during…

Infants' visual fixations were monitored while they viewed predictable and unpredictable sequences of stimuli. Analyses of anticipatory fixations indicated that by two months of age, infants form expectations for the reappearance of visual stimuli positioned opposite to each other. By three months, infants rapidly form expectations for asymmetric…

Reported are two separate but related longitudinal studies of two variables strongly associated with sex-related differences in mathematics achievement and enrollment, namely spatial visualization and confidence in learning mathematics. First, boys (N=33) and girls (N=36) in grades 6-8 who were discrepant in their spatial and verbal skills were…