(二)程序与数据处理 采用SPSS15.0对收集到的原始数据进行清理和转化,得到 7、有效数据2000个,使用WINSTEPS软件对数据分数进行Rasch分析,其中主要包括变量图、拟合情况以及气泡图的分析。三、结果与讨论(一)变量图Rasch模型通过对数转换,转换成等距的logit,将考生和试题放到同一坐标系中进行标定,可以方便而直接的比较考生...
The characteristics of the items based on the two analyses are compared in an attempt to demonstrate the amount of information gained and the usefulness of the more powerful Rasch Model analysis in investigating item quality and test reliability. Given the type of decisions made on the basis of ...
Analysis of data Descriptive statistics were performed using SPSS 28.0 to display the demographic and clinical characteristics of the sample. There were no missing data since only respondents answering all questions of PHQ-9 were used. The Rasch analysis was structured to assess four criteria necessary...
The data analysis was conducted using the Statistical Package for the Social Sciences (SPSS) version 26 and R software version 4.3.3, the Test Analysis Modules (TAM) package version 4.1–4, and latent variable analysis (lavaan) version: 0.6–17. CFA was applied to the one-factor model sugge...
Classification of Functioning, Disability and Health (ICF) categories based on a Rasch analysis. Methods: A convenience sampling was used to conduct the questionnaire survey in a cardiac rehabilitation center. Psychometric properties were evaluated in 100 patients with CHD using Rasch analysis, such as...
Tutorial-Further 2. Analysis of polytomous data Importing real, messy data from SPSS, SAS, Stata, Excel and more Rescoring and cleaning up messy data Polytomous models: Andrich rating-scale, Masters partial-credit, Grouped rating-scale Polytomous estimation ...
检验(采用 SPSS15.0 软件) ,以核查题 目的区分度。 若题 目在两组学生 中差 异不显著 ,则题 目区分度不 佳,在之后的分析 中被剔除。 第二,通过验证性因子分析 (confi rmatory factor analysis,采用 AMOS7.0 软件) ,检验量表 中的问题 是否按原设计在三个维度和十个子维度上有合理的 因素载荷(...
该模型可兼容 EXCEL和 平均水平;S是OneStandardError的缩写,含义为 SPSS数据。为了满足Rasch模型分析运行的基本 距离均值的一个标准差 ;T是 TwoStandardError 要求 ,数据导入之后,研究者将试题中的选择题 的缩写,含义为距离均值的两个标准差。 和构建题分别以二级和多级的方式记分。选择题 刻度尺右侧是样本试卷 中...
3.2.2分析语句编写 Facets软件不像SPSS那样可以直接导入数据,然后进行运算。它需要先编写出分析语句(程序指令),然后,把编写好的分析语句导入到Facets软件中进行运算,通过分析运算产生的图表,我们就可以了解题目难度如何,被试的能力水平怎样,评分员是否合格等。 Facets软件的分析语句主要有两部分构成:即指令(specification)...
All data were analysed using SPSS v25.0 (IBM Corporation, Armonk, New York). Rasch analysis was conducted using the RUMM2030 package with a partial credit model to allow thresholds to vary for each individual item (RUMM Laboratory Pty Ltd, Perth, Australia). Table 2 Statistical tests and ...