Testing must have the quality of validity and reliability so as to have the objective evaluation on learners' ability and check the teaching result effectively.
测试应具备有效性和可靠性才能达到客观评价学习者能力和检验教学结果的目的。
Result: By analyzing and testing reliability and validity of the papers, the practicality of this algorithm is to be proved.
通过对生成试卷进行分析，比对试卷信度与试卷效度，得出了试题均匀分布算法的实用性。
Testing designer should design test format and test content on basis of validity and reliability to ensure that the required standards are met.
测试的实施，需要命题者在充分理解测试的有效性和可靠性的基础上，科学地设计测试形式和测试内容以确保测试目标的达成。
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