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The relationship between performance and allocation of time to technical work, teaching, or administration was examined in this study involving 552 university, government, and industrial and engineers for whom questionnaire and performance data were available. Respondents who spent full time on their technical work performed less well than did those who spent part time. Among nonsupervisory PhD's in both research and development labs, and among assistant scientists in PhD-dominated labs, about three-quarters time spent on technical work was optimal. Among nonsupervisory engineers in development labs, half time or less was optimal. Among those devoting part time to technical activities, nonsupervisory PhD's in research labs performed better if they did more administration than teaching. Among engineers, some time in teaching was advantageous.' Frank M. Andrews is study director at the Survey Research Center, University of Michigan.
Frank M. Andrews (Tue,) studied this question.