Recent Developments in Measurement and Possible Applications to the Measurement of Psychomotor Behavior: A Response

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Abstract
The possible utilization of item response theory (IRT) and adaptive testing in psychomotor situations leads to a number of interesting suppositions. The question of test validity is crucial and the application of those procedures could help enhance the quality and generalizability of research results. Examination of the results of several previous studies indicates that adaptive testing may be easily applied in a number of psychomotor problems. The application of IRT will depend upon the type of model chosen. Various models are considered from a heuristic standpoint with the binomial model being the most logically suitable approach. The continuous response model needs to be examined more thoroughly. The combination of selected IRT models with other approaches such as sequential probability testing and trials-to-criterion testing was discussed. The use of validity generalization was suggested. It was concluded that in order for approaches of this type to be feasible, researchers needed to construct more scientifically rigorous theories.

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