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Ainu alike amongst ancestry Anglo-Dane arrested development average deviation blended inheritance boys causes cent central tendency cephalic index chance City color color blind combinations of traits correlation cross-lines defects degree determiners discrimination distribution of ability divergences educational psychology eminent ences environment equal error facts feeble-minded form of distribution germs gifted girls give given grade greater Havelock Ellis heredity human nature idiots imbecile individual differences inferior influence inheritance instinct intellectual less means measurements memory ment mental traits moral Negritos offspring original nature ovum pair parents person physical possess probably psychology pupils race ratios reaching or exceeding relation relative frequencies represented resemblance respect sample scale scientific selection sense sex differences size-weight illusion sort superior Suppose surface of frequency Table teachers tion twins type theory unit characters variability vary viduals William the Silent women
Page 186 - The above and other analogous observed facts indicate that all branches of intellectual activity have in common one fundamental function (or group of functions) , whereas the remaining or specific elements of the activity seem in every case to be wholly different from that in all the others.
Page 66 - Fourthly, the number among the negroes of those whom we should call half-witted men is very large. Every book alluding to negro servants in America is full of instances. I was myself much impressed by this fact during my travels in Africa. The mistakes the negroes made in their own matters were so childish, stupid, and simpleton-like as frequently to make me ashamed of my own species. I do not think it any exaggeration to say that their c is as low as our e, which would be a difference of two grades,...
Page 141 - Over them then education has greater sway, though school educntion, because of the peculiar narrowness of the life of the schoolroom, has so far done little for any save the semi-intellectual virtues.
Page 119 - They have had exactly the same nurture from their birth up to the present time; they are both perfectly healthy and strong, yet they are otherwise as dissimilar as two boys could be, physically, mentally, and in their emotional nature.
Page 188 - There is no one memory to hold in a uniformly tight or loose grip all the experiences of the past. There are only the particular connections between particular mental events and others, sometimes resulting in great surety of revival, sometimes in little.
Page 60 - Singhalese, the average differences were small, and much overlapping occurred. As between these groups, however, and the Igorot and Negrito from the Philippines and a few reputed Pygmies from the Congo, the average differences were great, and the overlapping was small.
Page 133 - Schools 2, 3, and 4, City I — we find the conditions reversed ; for while the two schools that gave forty-five minutes made averages of 64 per cent and 67 per cent, respectively, the school that gave only twenty-five minutes succeeded in obtaining an average of 69 per cent. This would appear to indicate that while, on the one hand, nothing is gained by an increase of time where the instruction in arithmetic is faulty, on the other hand, nothing is lost by a decrease of time, to a certain point,...
Page 66 - A native chief has as good an education in the art of ruling men, as can be desired ; he is continually exercised in personal government and usually maintains his place by the ascendency of his character, shown every day over his subjects and rivals.
Page 241 - ... sen the traks; and here it was evedent the elaphents had passed to and fro. Disapointed and impasient, we allmost determened to giv up the chace and go home; but shots fird just before us reanimated us, aud we preceded, and found the collec-r had just firred twicce.