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Guay, Roland B.; McCabe, George P. – 1978
The Chi-Square Test for Hierarchical Dependency (THD) is presented. The THD tests the hypothesis that all members of a population who possess a certain skill are a subset of the members who possess another skill. This hypothesis is basic to the writings of several prominent theorists, such as Gagne and Piaget. The THD is designed as an improvement…
Descriptors: Developmental Stages, Goodness of Fit, Hypothesis Testing, Learning Theories