A Structural Approach to the Validation of Hierarchical Training Sequences. Task 1. Technical Report
ARIZONA UNIV TUCSON DEPT OF EDUCATIONAL PSYCHOLOGY
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This project is aimed at developing the technology necessary to conduct cost effective and efficient validations of the sequencing of instruction used in the training of military occupational specialties. The specific objective covered by this technical report was to validate task domains indicating how tasks are grouped into skill classes. A total of 317 subjects were tested on four algebra skill domains constructed from the Precision Measuring Equipment Curriculum of the Air Force Advanced Instructional System. Latent structure techniques recently developed by Leo Goodman at the University of Chicago were used to validate the hypothesized domains. The first step in the analysis was to construct a set of models representing hypotheses about the tasks under examination. The models developed for use in the present analysis assumed three basic classes of individuals for tasks in an hypothesized domain. These classes included masters of the skill represented in the domain, non- masters, and individuals in transition between non-mastery and mastery. Non- masters were characterized as failing all items in the domain, and masters as passing all items.
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