Word: volts
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Dates: during 1920-1929
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...conducted. Mental ability, claims Professor Thorndike, is a physical factor that can be measured as carefully as weight, lung capacity, or blood pressure. Education is human engineering, and should be carried on like other sciences, with the use of units such as the foot-pound, the volt, or the calorie. The exact units to be used for each type of mental test have not yet been fully determined, but when they are, our capacity and achievement will be recorded by means of scientifically accurate processes. Professor Thorndike does not give the details of the method, but states that...