Abstract: A study of pursuit movements was performed on 424 subjects (aircraft pilots, air cadets, glider pilots, automobile drivers; basketball players and research workers). The apparatus consisted of a stick and a rudder assembled as in an aeroplane. The subjects were required to keep a marker along a moving zigzag course by operating the stick and the rudder. It was found that the accuracy of the controlled movements in tracking showed much differences among the subjects; the aircraft pilots obtained the highest accuracy scores, the glider pilots and the automobile drivers were the next best. The least accuracy scores were those of the basketball players and the research workers. The results also indicated that there were significant differences among the air cadets, which proved to be correlated with their flying achievements. It is suggested that the test might have some value in the selection of aircraft pilots.

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