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Download full textWender, Karl – 1970
Models for multidimensional scaling use metric spaces with additive difference metrics. Two important properties of additive difference metrics are decomposability and intradimensional subtractivity. A prediction was derived from these properties and tested experimentally. Eleven non-psychology students were used as subjects. Rectangles varying in…
Descriptors: Geometric Concepts, Mathematical Models, Multidimensional Scaling, Research Methodology
Swinton, Spencer S.; And Others – 1977
The longitudinal interrelations among age, visual and auditory short-term memory, and the concrete operational tasks of class inclusion and combinatorial reasoning were investigated over four testing occasions in a sample of 134 students, initially ranging from 5 to 12 years in age. The Piagetian task battery involved placement of colored…
Descriptors: Auditory Perception, Classification, Cognitive Development, Cognitive Measurement
