问答题
How well the predictions will be validated by later performance depends upon the amount, reliability, and appropriateness of the information used and on the skill and wisdom with which it is interpreted.
【参考答案】
这些测试在多大程度上为后来的表现所证实,这取决于所采用信息的数量、可靠性和适应性,以及解释这些信息的技能和才智。
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Changes in people’s daily expanses in the past five years 2. Possible reasons for the changes 3. My own conclusion19971998199920002001Food65%60%48%42%35%Clothing5%7%10%13%15%Recreation3%5%7%8%13%Others24%26%33%36%38%Total100%100%100%100%100%
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问答题
In general, the tests work most effectively when the qualities to be measured can be most precisely defined and least effectively when what is to be measured or predicted can not be well defined.
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