Examines several possible difficulties in interpreting the results of studies which employ Piagetian tasks, especially conservation tasks, with older individuals. Notes that Piaget's clinical method allows more flexibility in the assessment of competence than do more quantifiable techniques. Examines the possibility of task misinterpretation by…

To replicate the findings of a previous experiment in which it was shown that the systematic presentation of rules and feedback on conservation and conservation-related problems can be employed to teach young children the traditional (Piagetian) liquid quantity problem rapidly, an analysis was made of the role of two others variables: (1) use of…

The paper describes social studies skills of students age 9-adult as assessed by the 1971-2 National Assessment of Educational Progress (NAEP) Project. NAEP organized skill exercise items around two subthemes: (1) obtaining information, including raising questions, seeking answers, identifying sources of information, and using standard reference…