Thinking, Feeling, Doing: An Introduction to Mental Science |
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Page 16
... average rate is 15 per Faster records tap , or nearly seven taps to the second . have been made , 8 having been recorded for tapping with the middle finger . The rapidity of tapping decreases with fatigue . Fig . 6 represents the ...
... average rate is 15 per Faster records tap , or nearly seven taps to the second . have been made , 8 having been recorded for tapping with the middle finger . The rapidity of tapping decreases with fatigue . Fig . 6 represents the ...
Page 17
... averages of six weeks of work FIG . 8. - Rapidity of Tapping as Dependent gave the following on Age . results at 8 A. M. the time required for making 300 taps was 37.8s ; at 10 A. M .; 35.5s ; at 12 M. , 34.6s ; at 2 P. M. , 35.5s ; at ...
... averages of six weeks of work FIG . 8. - Rapidity of Tapping as Dependent gave the following on Age . results at 8 A. M. the time required for making 300 taps was 37.8s ; at 10 A. M .; 35.5s ; at 12 M. , 34.6s ; at 2 P. M. , 35.5s ; at ...
Page 22
... average tap - time . To measure the fatigue a record is made before the work is performed , and again afterward ; the percent- age of loss is taken as the fatigue - index . The arrange- ment makes it easy to tell when children become ...
... average tap - time . To measure the fatigue a record is made before the work is performed , and again afterward ; the percent- age of loss is taken as the fatigue - index . The arrange- ment makes it easy to tell when children become ...
Page 26
... average time for one reaction is obtained by dividing the number of seconds by the number of persons ; thus , in this case the reaction- time would be of a second , or 0.35 . A hundred years ago It takes time , then ,. FIG . 15. - Chain ...
... average time for one reaction is obtained by dividing the number of seconds by the number of persons ; thus , in this case the reaction- time would be of a second , or 0.35 . A hundred years ago It takes time , then ,. FIG . 15. - Chain ...
Page 29
... average reaction - time , 0.142s . We now find the difference between this average and each of the original results ; these differences are then aver- aged to find the " average variation . " In this case it is 0.0076s or , let us say ...
... average reaction - time , 0.142s . We now find the difference between this average and each of the original results ; these differences are then aver- aged to find the " average variation . " In this case it is 0.0076s or , let us say ...
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Common terms and phrases
appears Aristotle attention average beat Binocular blind-spot blue brain called Changing Rings colour blind combined crossed disparity Dichromats discrimination and choice disks distance drum dynamometer effect electric error Esthesiometer experiments fact fatigue feeling figure finger fork G. P. Putnam's Sons Geissler tubes give glass grams green grey hand hear Herbart Hermann von Helmholtz idea illusion illustrated increased indicate intensity interval irregular least noticeable change least noticeable difference left eye letters light looking measure memory ment mental method middle Moon Illusion moved movement objects observation odour olfactometer orange paper person pitch placed plethysmograph point of regard produced psychology quinine rapid reaction reaction-time record seen sensations shades shown in Fig shows smell sound spark star steadily Steadiness stereoscope Suppose Symmetry tapping taste things thought threshold tion tone touch Trichromats tube vibrations vision weight words yellow
Popular passages
Page 181 - ... probably never in all their lives received one genuine colour-sensation. The modern religionists of the school of Overbeck are just like people who eat slate-pencil and chalk, and assure everybody that they are nicer and purer than strawberries and plums.
Page 5 - I have noticed in one of my formicaria a subterranean cemetery, where I have seen some ants burying their dead by placing earth above them. One ant was evidently much affected, and tried to exhume the bodies, but the united exertions of the yellow sextons were more than sufficient to neutralise the effort of the disconsolate mourner.