- The item–total correlation is the correlation between a scored item and the total test score.了解详细信息：The item–total correlation is the correlation between a scored item and the total test score.en.wikipedia.org/wiki/Item-total_correlationItem-total correlation is a statistical measure that describes the relationship between individual items (or variables) and the sum of all items in a set.datasciencewiki.net/item-total-correlation/Item Total Correlation refers to the statistical measure that assesses the relationship between individual items and the total score of a tool or instrument used in research studies.www.sciencedirect.com/topics/nursing-and-health-…Item total correlation quantifies the relationship between an item and the overall test score, indicating the item’s contribution to the test’s reliability and validity.alljournals.blog/item-total-correlation-quantifying-ite…It is the correlation between an individual item and the total score without that item. For example, if you had a test that had 20 items, there would be 20-item total correlations.www.sciencing.com/calculate-item-total-correlation …
SPSS 信度分析中，如何解释 CITC 的统计意义？ - 知乎
Corrected Item-Total Correlation，首字母即CITC。 它就是题项与提总相关系数，指的是单个题项与其他题项的相关性，如果citc偏低，比如citc低于0.4，那说明该题项与其他题项相关性较弱，同质性较差。
Item-total correlation - Wikipedia
The item–total correlation is the correlation between a scored item and the total test score. It is an item statistic used in psychometric analysis to diagnose assessment items that fail to indicate the underlying psychological trait so that they can be removed or revised.
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Psychometrics 101: Item Total Correlation - Questionmark Online ...
在questionmark.com上查看更多信息The item total correlation is a correlation between the question score (e.g., 0 or 1 for multiple choice) and the overall assessment score (e.g., 67%). It is expected that if a participant gets a question correct they should, in general, have higher overall assessment scores than participants who get a question wrong. Similarly…信度分析 - spssmax.com
1.校正项总计相关性：校正项总计相关性（Corrected Item-Total Correlation）是指计算每个题目（或变量）与该测量工具的总分之间的相关性。 它衡量了每个题目与整体测量的内在一致性。
Item-Score Reliability in Empirical-Data Sets and Its …
Well-known item-quality indices used in test construction are (a) the item-rest correlation, also known as the corrected item-total correlation (Lord & Novick, 1968, p. 330); (b) the loading of an item on the factor which it co-defines …
Item-Score Reliability in Empirical-Data Sets and Its …
2017年9月27日 · This article is organized as follows: First, we discuss item-score reliability methods MS, λ 6, and CA, and the item-rest correlation, the item-factor loading, the item scalability, and the item discrimination. Second, the different …
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Item-Score Reliability as a Selection Tool in Test …
The results showed that the benchmark corrected item-total correlation was the best item-assessment method in both the bottom-up and top-down item selection procedure. This means that the frequently employed and simpler corrected …
Item Analysis: Methods for Fitting the Right Items to the Right Test
2021年5月14日 · Item-Total Correlation Coefficients. Another approach to examining item discrimination is to correlate performance on the items (scored as either 0 or 1) with the total …
Evaluating the psychometric properties of the 24-item and 12 …
3 天之前 · The reliability analysis of the 24-item RRI-C full scale revealed good internal consistency: Cronbach’s alpha = 0.97, McDonald’s omega total = 0.97, and average item …
Sample-Size Planning in Item-Response Theory: A Tutorial
2025年2月24日 · The 1PL, or Rasch, model has the advantage that the total score (sum of the item responses) serves as a sufficient statistic for the person’s ability. ... The second …
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