Examined effects of training in sequencing pairs of visual stimuli on subsequent six-stimuli or five overlapping two-stimuli sequencing. Subjects were 3- and 4-year-olds. Found that few succeeded with untrained two- and six-stimulus sequences derivable from the two-stimulus training, but when given training on only the overlapping sequences,…

Investigates the influence of logical skills (inclusion and seriation) on the degree and kind of semantic integration performed on remembered material among 47 third- and fourth-grade boys and girls and college students. (JMB)

Two experiments which investigated the young child's ability to deal with multiplicative classes and relations (considered behavioral indices of concrete operations thought) in double series and cross class matrices are described and discussed. In the initial study, 160 children from preschool through grade 2 received six matrix subtasks…