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条目区分度
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  item discrimination
     the item discrimination of the scale ranged from 1.0027-1.6671;
     ②条目区分度1.0027-1.6771。
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  相似匹配句对
     the item discrimination of the scale ranged from 1.0027-1.6671;
     ②条目分度1.0027-1.6771。
短句来源
     Discriminability Analysis of Translation Evaluation
     翻译评价方法的分度分析
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     结论:SADS条目具有良好的分度,条目数及因子设置适中,条目总体质量较高。
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     The line density and area density have been counted.
     的密度。
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     Northwest China.
     西北
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  item discrimination
8 items with poor item difficulty, lower item discrimination, or having big effect on the item consistency were removed from the instrument, and 62 questions were kept for the further evaluation.
      
The table provides a ready means of translating the observed proportions of success in the two extreme groups (pH,pL) into measures of item difficulty and item discrimination (p, Δ, andr).
      
While negligible differences in the limen values were found, differences in item discrimination indices indicated that interpretation of these indices requires separate frames of reference.
      
The first centroid factor loadings obtained from various interitem relations are compared with item discrimination indices commonly used in item analysis.
      
Note on use of extreme criterion groups in item discrimination analysis
      
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Objective: To exam applicability of brief MMPI for screening and job-placement in Chinese Armed Police Force. Methods: based on the MMPI scores of 904 cases, some sub-scales and items were cut off. 3095 soldiers were tested by Brief MMPI. Item quality, reliability and validity were examed. Results: the discrimination of 60% items were over 0.2, higher than MMPI(53%). Test-retest reliability were 0.58-0.85(P <0.01). The correlation between the brief MMPI scores and rating of leader were 0.49. The scores of schizophrenia...

Objective: To exam applicability of brief MMPI for screening and job-placement in Chinese Armed Police Force. Methods: based on the MMPI scores of 904 cases, some sub-scales and items were cut off. 3095 soldiers were tested by Brief MMPI. Item quality, reliability and validity were examed. Results: the discrimination of 60% items were over 0.2, higher than MMPI(53%). Test-retest reliability were 0.58-0.85(P <0.01). The correlation between the brief MMPI scores and rating of leader were 0.49. The scores of schizophrenia and normal people on brief MMPI had significant differences. Conclusion: the Brief MMPI for Chinese Armed Police Force achieved the standard of psychometrics.

目的:根据武警部队大规模群体测验的需要,将MMPI进行分量表及条目筛减后构成简式MMPI,检验其作为人格评估工具进行武警部队兵员筛选、工作安置之适用性。方法:对940名战士施测MMPI后,根据武警部队特点及测验目的筛选分量表,根据测验条目区分度筛选条目,组成简式MMPI,随机整群取样3095名战士,对简式MMPI进行条目分析及信度和效度分析。结果:简式MMPI60%的条目鉴别指数在0.2以上,比原MMPI条目的鉴别指数(53%)提高。各分量表的重测相关系数在0.58-0.85之间(P<0.01)。实证效度检验显示,简式MMPI对精神分裂症患者与正常人群的区分达到显著水平(P<0.01)。各分量表与领导评定的各维度间有不同程度显著相关,量表总分与领导评定总分相关0.49。结论:武警用简式明尼苏达人格调查表符合心理测量学的要求,可做武警部队的人格评估工具。

Objective: To develop a new diagnostic instrument-the Diagnostic Scale for Internet Addiction Disorder(DSFIAD) by using item response theory(IRT). Methods: Items was designed by the etiology model of IRT and data was collected from total 1831 internet users. Results: The scale was composed of 17 items. The test error was chosen at 0.1979; the item discrimination of the scale ranged from 1.0027-1.6671; every item scores range from 1 to 5. Two factors were obtained in exploratory factor analysis, accounting for...

Objective: To develop a new diagnostic instrument-the Diagnostic Scale for Internet Addiction Disorder(DSFIAD) by using item response theory(IRT). Methods: Items was designed by the etiology model of IRT and data was collected from total 1831 internet users. Results: The scale was composed of 17 items. The test error was chosen at 0.1979; the item discrimination of the scale ranged from 1.0027-1.6671; every item scores range from 1 to 5. Two factors were obtained in exploratory factor analysis, accounting for 70.116% of total variance; the coefficient of criterion validity was 0.8544; the optimal value of cut-off was 45, with sensitivity 91% and false positive rate 4.1%. Conclusion: DSFIAD developed by IRT possess good validity and reliability, which meets the psychometric requirment, and can be used in clinical practice.

目的:根据项目反应理论(IRT)编制网络依赖诊断量表(DSFIAD)。方法:根据模型制定37个条目,5级评分。总计1831名网络使用者为样本。结果:①在测量误差0.1979水平,选取17个条目组成量表。②条目区分度1.0027-1.6771。③条目程度从1-5级均呈单向递增。④因素分析抽取2个因子,解释70.116%的总方差。⑤DSFIAD与效标显著相关(к=0.8544)。最佳划界值45,敏感度91%,假阳性率4.1%。结论:DSFIAD条目质量及信效度符合IRT与心理测量学的要求。

 
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