Computers are becoming an integral part of the classroom and home environments of children. Yet, there are unanswered questions concerning their effects on young children's learning. Conceptualized within the framework of Piagetian theory and the educational philosophy provided by Papert, this study is a longitudinal investigation of the qualitative changes shown by fourteen preschool children in the development of programming knowledge about Logo over a period of 8 months. Based on their performance, children were grouped into three groups: (1) those who are sophisticated Logo learners; (2) those who function well in Logo environments under support and continuous direction from the Logo teacher; and (3) children who do not function well in Logo environments. In the second part of the study, an investigation of individual difference variables such as field dependent-independent cognitive styles, mathematical ability, creativity, computer and computer-related experiences within the home and outside the home, indicated that only the variable computer-related experiences within the home and outside the home was important in differentiating between the three groups. The findings of the study do not support the claims made by Papert about learning in Logo environments and suggest that Logo learning environments for preschool children be designed by taking into consideration developmental levels of children and individual differences among children. Furthermore, a new set of concepts and paradigms for studying learning in Logo environments needs to be formulated.
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