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'Intelligence as a Factor'
Pages 18-23

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From page 18...
... 3. The Arithmetical Reasoning Test measures mental alertness as well as ability to handle practical calculations.
From page 19...
... Comparing the intelligence of the aid wearers with the no-aid wearers, the results tend to indicate that the more intelligent sub­ jects accept the hearing aid more readily than do the less intelligent subjects. The mean estimate of intelligence of the aid wearers is nine I Q points higher than that of the group who have discarded their aids.
From page 20...
... Pintner and Lev• have pointed out that hard-of-hearing subjects are slightly below the normal I Q on verbal intelligence tests, but that such differences disappear when hard-of-hearing and normal-hearing children are compared on non-language intelligence tests. Both the aid and the no-aid group have higher performance I Q's than verbal I Q's.
From page 21...
... According to results of this test, the group wearing aids has the ability to understand situations in a manner that has been referred to as "social intelligence." On the other hand, the group who has rejected aids performs slightly be­ low the norm. Whether social competence as demonstrated by this test may be a factor in the use of a hearing aid is open to question ; nevertheless, this possibility is suggested.
From page 22...
... Third, they might be exerting their powers of concentration on their effort to read lips, and hence their per­ formance of a mental function requiring close attention might be expended on physical tension. Wechsler states that low scores on the Memory Span Test are frequently associated with attention de­ fects.
From page 23...
... In addition, personalities differ as to type and structure in their elements of stability. Consequently, a radi­ cal environmental change brought about by wearing a hearing device may modify basic personality structure in different direc­ tions.

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