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english-第9部分

小说: english 字数: 每页4000字

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ht of a pencil would be more easily recognized than a one pound weight added to a 300 pound barbell because it represents a much greater percentage of the total weight)。

Wechsler Adult Intelligence Scale; Third Edition 
An objective measure of intelligence。 The Stanford…Binet test is also used; has very similar validity; but is not as popular。

Wernicke’s Aphasia 
Aphasia resulting from damage to the Wernicke’s area of the frontal lobe。 Affects written and spoken language。 

Y

Yerkes…Dodson Law
Theory arguing that for performance to be optimal; the amount of arousal required must be optimized。 Too much or too little stimulation will result in a poorer performance。

Z

Zero Correlation
The absence of a relationship between two or more variables as determined by a correlational statistic。 Often abbreviated as 'r=0。'

Z…score
A standard score that sets the mean to zero and standard deviation to one。 

Z…test
The statistical formula to determine the z…score of a particular raw score。


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