Whether the results will be valuable，meaningless，or even misleading depends partly upon the tool itself but largely upon the user. All informed predictions of future performance are based upon some knowledge of relevant past performance: school grades，research productivity，sales records，or whatever is appropriate.测试的结果是否是有价值的、无意义的、还是误导的，部分取决于这种工具本身，但主要取决于测试使用者。所有对未来表现的有见识地的预测都是以在某种程度上了解有关过去的表现为基础的:学校学习成绩、研究效益、销售记录或任何符合需要的信息。
【今日长难句】
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.
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【句子分析】
1. 句子主干：主语从句+谓+宾=How well the predictions will be validated by later performance + depends upon + 宾语1: the amount，reliability，and appropriateness of the information used and （depends）on宾语2：the skill and wisdom.2. 修饰成分：used 修饰the information, 译为：采用的、使用的；with which it（it = the information） is interpreted 为定语从句，修饰the skill and wisdom译为“的”结构.
【基础必备词】
prediction n.预测validate vt. 证实，验证；确认；amount n. 数量；总额reliability n. 可靠性appropriateness n. 适当；适合wisdom n. 智慧，才智；interpret vt. 说明；口译
【参考译文】
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.这些预测在多大程度上为的后来的表现所证实，这取决于所采用信息的数量、可靠性和适宜性，以及解释这些信息的技能和才智。
【明日预告】
Anyone who keeps careful score knows that the information available is always incomplete and that the predictions are always subject to error. Standardized tests provide a quick objective method of getting some kinds of information about what a person learned，the skills he has developed，or the kind of person he is.
