Abstract
ONE of the most difficult problems which confronts all investigators who have to deal with man as a worker, is the assessment of his fitness to produce. The accurate determination of the degree of fitness of the man to perform his work has never been satisfactorily elucidated, so that reliance is placed most frequently on the measure of his productiveness as shown, say, by the number of articles produced, the quality of his work, the time taken to perform selected operations, alterations in skill of performance, etc. Further, when it is desired to refer to any alteration, either by way of enhancement or diminution, in the individual's capacity to carry on any particular operation, it is generally said that the man's efficiency is increased or diminished.
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CATHCART, E. Efficiency or Effectivity?. Nature 119, 599 (1927). https://doi.org/10.1038/119599a0
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DOI: https://doi.org/10.1038/119599a0
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