[Construction and evaluation of programmed instruction in algebra].
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Multivariate analysis usually connotes a set of complex statistical models. It can also represent a way of thinking about research in which behavioral outcomes are seen as having multiple facets and resulting from multiple antecedents. Three areas of research on mentally retarded children that need conceptual multivariate analysis were identified: (a) the characterization of learners, (b) the description of process features of an instructional setting, and (c) the depiction of change. Examples were provided, drawing on a recent National Academy of Sciences report. Finally, statistical developments were described that are appropriate to the data that these conceptualizations yield.
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A system of computer terminals was set up in a group of office practices, industrial medical departments and hospitals and connected to a central computer. This service provides a means of analyzing treadmill exercise results, which are displayed graphically on the computer printout. The system also provides estimates of probabilities of primary or secondary coronary heart disease events developing based on the exercise responses.
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