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The non-verbal performance scale was also a critical difference from the Binet scale. The earlier Binet scale had been persistently and consistently criticized for its emphasis on language and verbal skills. [6] Wechsler designed an entire scale that allowed the measurement of non-verbal intelligence. This became known as a performance scale.
The original WISC (Wechsler, 1949), developed by the Romanian-American psychologist David Wechsler, Ph.D., was an adaptation of several of the subtests that made up the Wechsler–Bellevue Intelligence Scale (Wechsler, 1939), but also featured several subtests designed specifically for it.
The Differential Ability Scales Second Edition (DAS–II) was developed by Colin D. Elliott and published in 2007 by Psychological Corporation. [31] The DAS-II is a test battery given individually to children, normed for children from ages two years and six months through seventeen years and eleven months. [ 50 ]
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Physical activity of any kind appears to increase a person’s cognitive processing speed, according to a new study. While it is generally accepted that moderate-to-vigorous exercise benefits ...
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A special hotline in place to deflate crises between the Kremlin and the White House is not currently being used, the Kremlin said on Wednesday, as nuclear risks rise amid the highest tensions ...