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区分度
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  “区分度”译为未确定词的双语例句
    2. The result of item analysis shows that most of the index of item discrimination were above 0.2.
    2、项目分析结果表明,各项目的鉴别力指数在0.2以上,区分度较好。
短句来源
    (3)Analyzing discriminator, reliability and validity of the scale.
    (3)对正式问卷进行了项目区分度、信度和效度分析。
短句来源
    and the average item discriminations are respectively 0.34, 0.31 and 0.30; most of the item discriminations are more than 0.3 and the item discriminations of all the items are statistically significant.
    平均区分度分别为低年级0.34,中年级0.31,高年级0.30,大多数项目区分度在0.3以上,所有项目的区分度均达显著性水平。
短句来源
    Classical Test Theory (CTT) has many defects,namely the estimations of its parameters depend on the subjects,the estimation of ability level depends on the items,and it offers only average precision of estimation.
    经典测验理论 (CTT)的主要缺点有 :对测题难度、区分度及测验信度的估计依赖于被试组 ,对被试能力的估计依赖于所使用的测验题目 ,只提供平均测量精度等 .
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    Results 148 items whose discrimination index was less than 0.2 were deleted in the item analysis.
    结果 项目分析删去 14 8个区分度 <0 .2的项目。
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The Wechsler Preschool and Primary Scale of Intelligence (WPPSI)was revised according to the cultural background of Chinese children.This new version is called the China-Wechsler Younger Children Scale ofIntelligence (C-WYCSI). Three subtests and the two-thirds items ofWPPSI were replaced. C-WYCSI consists of two sets of norms, one is madeup of urban children (N=2200) and another is made up of rural children(N=1120). The following psychometrical characteristics of the scale are considered: most floors of the...

The Wechsler Preschool and Primary Scale of Intelligence (WPPSI)was revised according to the cultural background of Chinese children.This new version is called the China-Wechsler Younger Children Scale ofIntelligence (C-WYCSI). Three subtests and the two-thirds items ofWPPSI were replaced. C-WYCSI consists of two sets of norms, one is madeup of urban children (N=2200) and another is made up of rural children(N=1120). The following psychometrical characteristics of the scale are considered: most floors of the subtests of this new scale were improvedbut some of the ceilings worsened. The average of reliability coefficientof the subtests are 0.79 (urban) and 0.83 (rural), the stability coeffic-ient of IQ are from 0.82 to 0.89 and the coefficient of correlation ofIQ on the C-WYCSI with IQ on the WPPSIa are from 0.786 to 0.878.

本文介绍了中国-韦氏幼儿智力量表(C-WYCSI)的编制情况。C-WYCSI是以WPPSI为蓝本编制,包括城市常模(N=2200人)和农村常模(N=1120人)。作者从心理测量学角度对常模的构成、测验项目的筛选及上下限、信度和效度等问题进行了分析与讨论。结果提示:尽管C-WYCSI改变很大,但项目的难度和区分度是较满意的;城市常模的测验下限明显改善,但上限不及原量表;各种信度均达到测量学认可的水平;效度研究结果表明:C-WYCSI较好地保持了WPPSI的功能。

This thesis expounds the construct-ing of the Chinese Reading AchievementScale for third year students in juniormiddle school.We format the scale andadministered it to the general middleschool standard samples in GuangZhou.The results show that its diffi-culty is appropriate,its discriminationis rather good,and its reliability andvalidity are relatively high.It is suit-able for measuring the level of Chi-nese reading for third year students injunior middle school.

本研究介绍了初中三年级《语文阅读水平量表》的编制情况。我们编制了这个量表,用它对广州市完全中学标准化样本进行测试,结果表明,该量表难度恰当,区分度较好,信度效度较高,适合完全中学初三级作为测量语文阅读水平的量具.

The Combined Raven's Test(CRT) is proved to be a good non-wordintelligence test,and is applicable tothe rural area in China.In the revisionof this scale(ranged from age 5—14.5),the percentile rank(standard score)andthe IQ norm(including 20 min.'s and40.'s norm)are established from therow score.The order of the items inthe revision is slightly rearrangedaccording to their difficulties.Itsdiscrimination,reliability and validityshow that this scale is reliable andeffective.Our result also shows thatthe level of...

The Combined Raven's Test(CRT) is proved to be a good non-wordintelligence test,and is applicable tothe rural area in China.In the revisionof this scale(ranged from age 5—14.5),the percentile rank(standard score)andthe IQ norm(including 20 min.'s and40.'s norm)are established from therow score.The order of the items inthe revision is slightly rearrangedaccording to their difficulties.Itsdiscrimination,reliability and validityshow that this scale is reliable andeffective.Our result also shows thatthe level of the development ofchildren's intelligence in rural area islower than that in cities.

瑞文测验联合型(CRT)经试用已证实是较好的非文字智力测验,由于它具有适用于农村作为智力测查工具而进行修订。在全国农村取样标准化,制订出5—14.5岁各年龄组原始得分的百分等级(标准分),并编制了正态分布下等值的IQ 常模表(分为40′和20′二种时限用)。修订后的农村版测题顺序按难度作了调整。对量表的区分度、信度和效度作了考察,证实测验可靠和有效,可用于评估中国农村儿童智力水平。用农村常模与城市常模相比,发现农村儿童的智能发展水平低于城市儿童。

 
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