Mokken Scale
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Such a scale can be considered as satisfying the strong mokken double monotonicity model which was the goal of our non parametric item response theory analysis here.
S3 method to plot objects of class pmatrixclass.
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Mokken scale. Conducts mokken scale analysis. Sijtsma and molenaar 2002. This method is named after the political scientist rob mokken who suggested it in 1971. First developed by mokken 1971 has recently become more widely used especially in the netherlands eg niemoeller van schuur 1983.
Description usage arguments details value authors references see also examples. This method is named after the political scientist rob mokken who suggested it in 1971. Contains functions for performing mokken scale analysis on test and questionnaire data eg sijtsma and van der ark 2017. Mokken is command for non parametric scaling of dichotomuous items.
Sijtsma and van der ark 2017 is a scaling procedure for both dichotomous and polytomous items. The mokken scale is a psychometric method of data reductiona mokken scale is a unidimensional scale that consists of hierarchically ordered items that measure the same underlying latent concept. Graphic display of the checks of pmatrix. It consists of an item selection algorithm to partition a set of items into mokken scales and several methods to check.
These analyses exemplify what applied researchers should consider when applying mokken scaling in practice. Mokken scale analysis is a non parametric item response theory approach that is used to cluster items measuring a latent construct. A mokken scale is a unidimensional scale that consists of hierarchically ordered items that measure the same underlying latent concept. Sijtsma and molenaar 2002.
Initial analysis suggested the ppeq did not form a single scale. Mokken scales have been used in psychology education political science public opinion medicine and nursing. One graph for each item plotting the rows of the p matrix and rows of the p matrix. The monotone homogeneity model and the double.
The mokken scale is a psychometric method of data reduction. Further analysis identified three subscales. Mokken package mokken scale analysis description mokken scale analysis mokken 1971. Mokken scale analysis mokken 1971.
It produces results similar to alpha item a polytomuous version of mokken due to molenaar is under construction but it doesnot have high priority at this moment. Mokken scale is an unfruitful compromise between the requirements of a guttman scale and the requirements of classical test theory. Sijtsma and van der ark 2017 is a scaling procedure for both dichotomous and polytomous items.