Paper has attempted to display two sets of perceptual disorganizations, both parents' and children's. As well, suggestions for action are given. (Author/RK)

Cultural, ecological, and educational variables in relation to magical thinking, perceptual flexibility, and logical reasoning seem to be crucial in development of children's judgments and explanations in conservation tasks. (Author)

This manual is designed to help Army training personnel select and implement a specific approach to achieving specific training goals. Following a general learning model, general training principles are summarized. The rest of the manual shows how specific learning principles are associated with groups of learner performances. Training goals…

A research project of environmental learning in children is discussed. Most of the studies conducted during the research involved observation of children aged 3-12, in mapping and free environmental behavior, and in curricular experiments using perceptual surrogates for map-learning and macro-environmental conceptualization in the lower elementary…