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  • 1980-1984  (2)
  • 1970-1974  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    A goodness of fit test for the rasch model (1973)
    Springer
    Psychometrika 38 (1973), S. 123-140 
    Details
    ISSN: 1860-0980
    Source: Springer Online Journal Archives 1860-2000
    Topics: Psychology
    Notes: Abstract The Rasch model is an item analysis model with logistic item characteristic curves of equal slope,i.e. with constant item discriminating powers. The proposed goodness of fit test is based on a comparison between difficulties estimated from different scoregroups and over-all estimates. Based on the within scoregroup estimates and the over-all estimates of item difficulties a conditional likelihood ratio is formed. It is shown that—2 times the logarithm of this ratio isx 2-distributed when the Rasch model is true. The power of the proposed goodness of fit test is discussed for alternative models with logistic item characteristic curves, but unequal discriminating items from a scholastic aptitude test.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02291180
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Comparing latent distributions (1980)
    Springer
    Psychometrika 45 (1980), S. 121-134 
    Details
    ISSN: 1860-0980
    Keywords: Latent distribution ; Rasch model ; population distribution ; longitudinal model
    Source: Springer Online Journal Archives 1860-2000
    Topics: Psychology
    Notes: Abstract We consider the problem of comparingm latent population distributions when the observed values are scores on a test battery with binary items. The latent densities are assumed to be normal densities, and we consider a test for equality of the means as well as a test equality of the variances. In addition, we consider a longitudinal model, where the test battery has been applied to the same individuals at different points in time. This model allows for correlations between the latent variable at different time points, and methods are discussed for estimating the correlation coefficient.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02293602
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Georg Rasch (1901–1980) (1982)
    Springer
    Psychometrika 47 (1982), S. 375-376 
    Details
    ISSN: 1860-0980
    Source: Springer Online Journal Archives 1860-2000
    Topics: Psychology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02293703
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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