Rasch model — Rasch models are used for analysing data from assessments to measure things such as abilities, attitudes, and personality traits. For example, they may be used to estimate a student s reading ability from answers to questions on a reading… … Wikipedia
Rasch model estimation — Various techniques are employed in order to estimate parameters of the Rasch model from matrices of response data. The most common approaches are methods of maximum likelihood estimation, such as joint and conditional maximum likelihood… … Wikipedia
Polytomous Rasch model — The polytomous Rasch model is generalization of the dichotomous Rasch model. It is a measurement model that has potential application in any context in which the objective is to measure a trait or ability through a process in which responses to… … Wikipedia
Rasch-Modell — Das Rasch Modell ist ein mathematisch psychologisches Modell der probabilistischen Testtheorie (oder Item Response Theorie), das vom dänischen Statistiker Georg Rasch entwickelt wurde. Inhaltsverzeichnis 1 Überblick 2 Wissenschaftlicher… … Deutsch Wikipedia
Model of hierarchical complexity — The model of hierarchical complexity, is a framework for scoring how complex a behavior is. It quantifies the order of hierarchical complexity of a task based on mathematical principles of how the information is organized and of information… … Wikipedia
Model of Hierarchical Complexity — The model of hierarchical complexity is a framework for scoring how complex a behavior is. It quantifies the order of hierarchical complexity of a task based on mathematical principles of how the information is organized and of information… … Wikipedia
Model (Form) — Sumerisches Rollsiegel und Abrollung als Relief … Deutsch Wikipedia
Georg Rasch — (1901 1980) was a Danish mathematician, statistician, and psychometrician, most famous for the development of a class of measurement models known as Rasch models. He studied with R.A. Fisher and also briefly with Ragnar Frisch, and was elected a… … Wikipedia
Latent variable model — A latent variable model is a statistical model that relates a set of variables (so called manifest variables ) to set of latent variables. It is assumed that 1) the responses on the indicators or manifest variables are the result of an individual … Wikipedia
MOZART (model) — MOZART (Model for OZone And Related chemical Tracers) is a chemistry transport model (CTM) developed jointly by the (US) National Center for Atmospheric Research (NCAR), the Geophysical Fluid Dynamics Laboratory (GFDL), and the [http://www.mpimet … Wikipedia
Item response theory — In psychometrics, item response theory (IRT) is a body of theory describing the application of mathematical models to data from questionnaires and tests as a basis for measuring abilities, attitudes, or other variables. It is used for statistical … Wikipedia
