Functional Periodicity; An Experimental Study of the Mental And Motor Abilities of Women During Menstruation
The book Functional Periodicity; An Experimental Study of the Mental And Motor Abilities of Women During Menstruation was written by author Hollingworth, Leta Stetter, 1886-1939 Here you can read free online of Functional Periodicity; An Experimental Study of the Mental And Motor Abilities of Women During Menstruation book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Functional Periodicity; An Experimental Study of the Mental And Motor Abilities of Women During Menstruation a good or bad book?
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No sub- ject knew how many hundred taps would be required at any trial ; thus the possible influence of the alleged " end spurt " was avoided. The time for each hundred taps was taken with a stop watch, the observer holding a stop watch in each hand, and starting one as she stopped the other. In computing the records the first 600 taps are used. The percentage of fatigue is deter- 38 Motor Fatiguability 39 mined by finding the ratio of the last 300 to the first 300 taps, thus: A sample record a...s taken with the stop watch runs like this: ii.o, 11.6, 11.6, 12.4, 12.6, 13.6. The sum of the first 300 taps is 34.2 (seconds) ; that of the last 300 taps is 38.6 (seconds). Thus an absolute fatigue of 4.4 seconds is noted, i. e., the sub- ject took 4.4 seconds longer to complete the last 300 taps than to complete the first 300 taps. Now, dividing 38.6 by 34.2 we get the index of fatigue, i. e., ||| = 1.128 (index of fatigue), or 12.8 per cent of fatigue. The purpose of the experiment is to determine whether the index of fatigue is higher, or in any way affected, at critical periods.
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