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The Upper Limits of the Development of Intelligence

by Florence M. Teagarden - 1925

Among the problems precipitated upon us, directly or indirectly, by the recent war was that of the age at which intelligence ceases to develop quantitatively.1 The question had existed in essence prior to that time but it had somewhat concealed its identity. For years authorities had been attempting to answer the question, each in terms of his own particular theory and without any one's realizing fully that there was considerable divergence of opinion on the point. The determination of such an age, however, became a real issue when the data from the army testing informed us that the intelligence level or mental age of the average man in this country is 13 years. That age seems to be about the only one which had never before been suggested for this phenomenon and inasmuch as this level involved, a difference of about 2 years from the most commonly accepted age, namely Terman's 16 years, it was seen that here was a live question. The present study was prompted by a genuine desire to obtain scientific data on the matter. Reference is made to A Study of the Upper Limits of the Development of Intelligence, by Florence M. Tea-garden.

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Cite This Article as: Teachers College Record Volume 27 Number 2, 1925, p. 156-156
https://www.tcrecord.org ID Number: 5961, Date Accessed: 9/29/2020 3:25:09 AM

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  • Florence Teagarden

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