In a study of operative thought in children, 104 children, aged 4 to 9, were tested 5 times with the same 25 Piagetian tasks. There were manifest indicators of synergy in the development of the various behaviors, but it was not possible to validate specific problems of behavior organization. (SLD)

The undergraduate liberal arts program is assumed to promote sophistication in thinking. At the same time, certain levels of cognitive ability are assumed to be present in students accepted into selective undergraduate colleges. Beginning in the fall of 1991, a long-term research study was undertaken at a small residential liberal arts college…