The Rasch model, named after Georg Rasch, is a psychometric model for analyzing categorical data, such as answers to questions on a reading assessment...
40 KB (5,234 words) - 01:52, 27 May 2025
The polytomous Rasch model is generalization of the dichotomous Rasch model. It is a measurement model that has potential application in any context in...
17 KB (2,723 words) - 18:40, 18 May 2025
Likert scale (section Rasch model)
applying the polytomous Rasch model, when data can be obtained that fit this model. In addition, the polytomous Rasch model permits testing of the hypothesis...
25 KB (3,239 words) - 14:39, 16 May 2025
Item response theory (category Latent variable models)
normal-ogive model is no more computationally demanding than logistic models. The Rasch model is often considered to be the 1PL IRT model. However, proponents...
47 KB (6,585 words) - 08:47, 9 June 2025
Estimation of a Rasch model is used to estimate the parameters of the Rasch model. Various techniques are employed to estimate the parameters from matrices...
7 KB (1,046 words) - 19:50, 16 May 2025
Logistic function (redirect from Logistic model of population growth)
application of the logistic function is in the Rasch model, used in item response theory. In particular, the Rasch model forms a basis for maximum likelihood estimation...
56 KB (8,085 words) - 21:36, 6 June 2025
latent variable models can be grouped according to whether the manifest and latent variables are categorical or continuous: The Rasch model represents the...
5 KB (526 words) - 11:46, 25 May 2025
responsible for the widespread adoption of Georg Rasch's measurement principles and models. In the wake of what Rasch referred to as Wright's “almost unbelievable...
36 KB (4,244 words) - 09:20, 28 May 2025
developed methodologies include Choice Modelling or Maximum Difference methods, the latter being related to the Rasch model due to the connection between Thurstone's...
10 KB (1,304 words) - 01:31, 14 May 2024
The theoretical basis for the model is closely related to item response theory and the theory underlying the Rasch model, which are used in psychology...
13 KB (1,929 words) - 20:10, 22 December 2024
application of the Rasch model or unfolding models such as the Hyperbolic Cosine Model (HCM) (Andrich & Luo, 1993). The Rasch model has a close conceptual...
5 KB (733 words) - 20:10, 22 December 2024
features, is represented by the Rasch model for measurement. The development of the Rasch model, and the broader class of models to which it belongs, was explicitly...
42 KB (4,805 words) - 21:48, 21 May 2025
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...
4 KB (446 words) - 01:10, 19 April 2025
Baronets Rasch model Rasch model estimation Polytomous Rasch model Rasche Raiche (disambiguation) Dictionary of American Family Names. "Rasch Family History"...
2 KB (252 words) - 20:06, 30 March 2025
binary entropy function. The logit is also central to the probabilistic Rasch model for measurement, which has applications in psychological and educational...
12 KB (1,515 words) - 02:49, 2 June 2025
Reduced chi-squared statistic (section Rasch analysis)
{x}}^{*})^{2}}{(\sigma _{x_{i}})^{2}}}.} In data analysis based on the Rasch model, the reduced chi-squared statistic is called the outfit mean-square statistic...
12 KB (1,867 words) - 19:00, 25 November 2024
Rasch model Scale (social sciences) Elo rating system Thurstonian model Hunter, David R. (2004). "MM algorithms for generalized Bradley–Terry models"...
18 KB (3,142 words) - 09:16, 2 June 2025
the ordering of total scores and the ordering of scale locations. The Rasch model provides a strict correspondence provided all students attempt the same...
3 KB (434 words) - 00:41, 23 August 2024
theorem Rao-Blackwellisation – see Rao–Blackwell theorem Rasch model Polytomous Rasch model Rasch model estimation Ratio distribution Ratio estimator Rational...
87 KB (8,280 words) - 23:04, 12 March 2025
Theory of conjoint measurement (category Latent variable models)
research (e.g., Perline, Wright & Wainer 1979). It has been argued that the Rasch model is a stochastic variant of the theory of conjoint measurement (e.g.,...
45 KB (6,030 words) - 23:44, 3 December 2024
Regression dilution (category Regression models)
observation-with-error or from application of a measurement model, such as the Rasch model. Also, let β ^ = β + ϵ β , θ ^ = θ + ϵ θ , {\displaystyle {\hat...
18 KB (2,356 words) - 13:17, 27 December 2024
to a common scale on the basis of the Rasch model. This was the first time that UCLES had used the Rasch model, which now forms the cornerstone of the...
50 KB (5,403 words) - 21:09, 15 February 2025
the Rasch model is a simple logistic function. Thurstone anticipated a key epistemological requirement of measurement later articulated by Rasch, which...
15 KB (1,446 words) - 18:46, 4 April 2025
nature. In contrast, probabilistic measurement models known as the Rasch model and Item response theory models are generally employed in the social sciences...
17 KB (2,214 words) - 03:05, 26 May 2025
response in the list. The Guttman scale is related to Rasch measurement; specifically, Rasch models bring the Guttman approach within a probabilistic framework...
20 KB (2,539 words) - 06:26, 12 January 2025
processes and on application and advancement of Item response theory models (Rasch model). He is also known as a textbook author of psychological assessment...
14 KB (1,794 words) - 23:03, 16 February 2025
independence by disagreeing slightly. This behavior can be evaluated by the Rasch model. The joint-probability of agreement is the simplest and the least robust...
19 KB (2,480 words) - 14:11, 26 May 2025
or the perceived weight of an object. The BTL model, the Thurstonian model as well as the Rasch model for measurement are all closely related and belong...
12 KB (1,733 words) - 09:29, 28 July 2024
from the responses to the test items. Such extraction processes, the Rasch model for instance, are standard practice for item development among professionals...
9 KB (1,158 words) - 15:17, 23 March 2023
analysis varies depending on the psychometric model. For example, classical test theory or the Rasch model call for different procedures. In all cases,...
2 KB (318 words) - 19:04, 25 January 2025