An approach to cognitive development which builds upon Piagetian assumptions and methods but which takes into account specific characteristics of diverse symbol systems and media is outlined. Such an approach may account for several phenomena left unexplained by Piaget, integrate diverse strands of research, and suggest promising lines of…

Toddlers were asked to find a hidden toy based on one hidden in a scale model of the room, after varying periods of delay. Subjects experiencing a longer delay on the first trial performed more poorly than those experiencing the long delay later in the trials. Results indicate the difficulty for children of keeping a symbol-referent relation in…

Research indicates that people have two distinct information processing modalities, one for verbal material and one for nonverbal material. The nonverbal mode is used for visual images and is characterized by creative and relatively undisciplined associations. The verbal mode deals with abstract stimuli and is restrained by logic and the need to…

The articles in the collection discuss the theory and practice of seven Educational Sciences. These are the basic elements of a conceptual framework for the education profession proposed by Joseph E. Hill in the belief that if educators are to establish mutual understandings of educational problems and phenomena, a unifying conceptual framework…