Intelligence Testing. March 8, 2006 Pauline Yu and Neha Begwani. History.
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March 8, 2006
Pauline Yu and Neha Begwani
Paul Broca (1824-1880) compared the radius:humerus ratios in humans
(larger ratio = longer forearm)
Apes have long forearms
Sample Questions (1911 Version):
An Indian who had come to town for the 1st time in his life saw a white man riding across the street. As the white man rode by, the Indian said - “The white man is lazy; he walks sitting down.” What was the white man riding on that caused the Indian to say, “He walks sitting down.”
My neighbor has been having queer visitors. First a doctor came into the house, then a lawyer, then a minister. What do you think happened there?
Some of her results:
Average A1 IQ (birth-17) - 135
Average A2 IQ (17-24) - 145
Major flaw - IQ is not supposed to alter with age.
“Normal” IQ Range: 85-115
“Examinations Alpha and Beta are so constructed and administered as to minimize the handicap of men who because of foreign birth or lack of education are little skilled in the use of English. These group examinations were originally intended and are now definitely known to measure native intellectual ability.” - Yerkes
(A)automobiles (B) brewing (C) flour (D) packing
(A) tooth powder (B) dry goods (C) tobacco (D) soap
Average mental age of white American adults stood at 13!
European immigrants: Russian - 11.34, Italian -11.01, Pole - 10.74
IQ = (Mental Age / Actual Age) X 100