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The Measurement of Intelligence

Lewis Terman

Book Overview: 

An explanation of and a completed guide for the use of the Stanford revision and the Simon Binford intelligence test

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Book Excerpt: 
. . .d over and made more definite with the idea of promoting uniformity. This phase of the revision is perhaps more  important than the mere relocation of tests. Also, the addition of numerous tests in the upper ranges of the scale affects very considerably the mental ages above the level of 10 or 11 years.

Effects of the revision on the mental ages secured.

The most important effect of the revision is to reduce the mental ages secured in the lower ranges of the scale, and to raise considerably the mental ages above 10 or 11 years. This difference also obtains, though to a somewhat smaller extent, between the Stanford revision and those of Goddard and Kuhlmann.

For example, of 104 adult individuals testing by the Stanford revision between 12 and 14 years, and who were therefore somewhat above the level of feeble-mindedness as that term is usually defined, 50 per cent tested below 12 ye. . . Read More

Community Reviews

What I enjoyed most about this book is learning how the original IQ tests were created and how they are scored. It gave me new insight into some of the tests schools use today as entrance exams, as well as an understanding of intelligence standards across various ages.