Mokken Scale
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One graph for each item plotting the rows of the p matrix and rows of the p matrix.
Mokken scales have been used in psychology education political science public opinion medicine and nursing.
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Mokken scale. Sijtsma and molenaar 2002. The so called dquomokken scale analysisdquo. Initial analysis suggested the ppeq did not form a single scale. This method is named after the political scientist rob mokken who suggested it in 1971.
Mokken is command for non parametric scaling of dichotomuous 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. Mokken scale analysis mokken 1971. It consists of an item selection algorithm to partition a set of items into mokken scales and several methods to check the assumptions of two nonparametric item response theory models.
Mokken scale is an unfruitful compromise between the requirements of a guttman scale and the requirements of classical test theory. A mokken scale is a unidimensional scale that consists of hierarchically ordered items that measure the same underlying latent concept. The monotone homogeneity model and the double. Graphic display of the checks of pmatrix.
Sijtsma and van der ark 2017 is a scaling procedure for both dichotomous and polytomous items. Description usage arguments details value authors references see also examples. The mokken scale is a psychometric method of data reduction. It consists of an item selection algorithm to partition a set of items into mokken scales and several methods to check.
Sijtsma and molenaar 2002. First developed by mokken 1971 has recently become more widely used especially in the netherlands eg niemoeller van schuur 1983. Mokken scale analysis is a non parametric item response theory approach that is used to cluster items measuring a latent construct. Mokken package mokken scale analysis description mokken scale analysis mokken 1971.
Conducts mokken scale analysis. 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. 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.
Conducts mokken scale analysis. Further analysis identified three subscales. Sijtsma and van der ark 2017 is a scaling procedure for both dichotomous and polytomous items.