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Item response theory

In psychometrics, item response theory (IRT, also known as latent trait theory, strong true score theory, or modern mental test theory) is a paradigm for the design, analysis, and scoring of tests, questionnaires, and similar instruments measuring abilities, attitudes, or other variables. It is a theory of testing based on the relationship between…

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Overview

The item response function

IRT models

Analysis of model fit

Information

Scoring

A comparison of classical and item response theories

Implementation

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Item response theory

Nodes81
Edges80
Triples63
Avg. degree1.98
Density0.024691
Components1

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Item response theory

Top relations

related to External links · 37
Item response theory → An, Archived, Chicago, December, Educational, EIRT, Free IRT, HISTORY OF ITEM RESPONSE, ICL, Illinois, Inc, IRT, IRT Command Language, IRT Models, IRT Packages, IRT Programs, IRT Tutorial, IRT Tutorial FAQ, July, June
related to Further reading · 11
Item response theory → Applications, Inc, IRT, IRT-like, ISBN, Lawrence Erlbaum Associates, Lord, Mahwah, Many, NJ, This
related to Information · 9
Item response theory → But IRT, Fisher, For, Information, Item, One, Scores, This, Traditionally
is a · 1
Item response theory → extension of the concept of reliability
related to Implementation · 1
Item response theory → Implementations

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Important terminology

irt item test displaystyle model response models items theory parameter ability information parameters trait function data theta latent score difficulty

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Item response theoryis aextension of the concept of reliability0.90text
multiple choice itemsinstance ofregression and hence can be used to create a weighted index of indicators for unsupervised measurement of an underlying latent concept.For items0.80text
the parameter c iinstance ofregression and hence can be used to create a weighted index of indicators for unsupervised measurement of an underlying latent concept.For items0.80text
this is construct relevantinstance ofso misfit0.80text
does not invalidate the test or the modelinstance ofso misfit0.80text
Item response theoryrelated to External linksHISTORY OF ITEM RESPONSE0.60section
Item response theoryrelated to External linksTHEORY0.60section
Item response theoryrelated to External linksUniversity0.60section
Item response theoryrelated to External linksIllinois0.60section
Item response theoryrelated to External linksChicago0.60section
Item response theoryrelated to External linksSimple Guide0.60section
Item response theoryrelated to External linksPDF0.60section

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