The results of the trial were further analyzed, including students' average scores, the difficulty, discriminability for each item, and the validity and reliability for the whole test.
测验结束之后，再从所收集的资料
，
各种统计方法分析试题的优劣与测验的结
。
The results of the trial were further analyzed, including students' average scores, the difficulty, discriminability for each item, and the validity and reliability for the whole test.
测验结束之后，再从所收集的资料，各种统计方法分析试题的优劣与测验的结。
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