SUPPLEMENTARY REPORT ON PROJECT ON PRE-FLIGHT GRADES.
RICHARDSON BELLOWS HENRY AND CO INC NEW YORK
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Probably the most effective way of reducing the present cost of Aviation Training would be to develop tests that would eliminate, in advance, the 30 to 50 percent of the students who fail to complete training. The predictive efficiency of any test or battery of tests developed, however, is rigorously limited by the amount of random error or systematic bias present in the criterion components. This implies, for Aviation Research, that the expenditure of funds and effort on the development of selection devices should be preceded by the complete development of valid standardized methods of evaluating the performance of the aviator during training, and after his assignment to duty. The problem of random error is particularly acute in the grading of training flight performance and in the rating of officer-like qualities, two important areas in which the raw grade is a product of human judgment alone. Since these grades make up the larger proportion of the available data on aviation student competence, and since the level of this grading is separately determined for each student by the judgments of individuals of differing and inconstant standards, it can be expected that no aviator-selecting devices will prove very effective unless and until grading in these areas has been standardized. Author
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