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ERIC Number: ED507624
Record Type: Non-Journal
Publication Date: 2009-Aug
Pages: 12
Abstractor: As Provided
Reference Count: 20
ISBN: N/A
ISSN: N/A
Measurement Theory in Language Testing: Past Traditions and Current Trends
Salmani-Nodoushan, Mohammad Ali
Online Submission, Journal on Educational Psychology v3 n2 p1-12 Aug-Oct 2009
A good test is one that has at least three qualities: reliability, or the precision with which a test measures what it is supposed to measure; validity, i.e., if the test really measures what it is supposed to measure; and practicality, or if the test, no matter how sound theoretically, is practicable in reality. These are the sine qua non for any test including tests of language proficiency. Over the past fifty years, language testing has witnessed three major measurement trends: Classical Test Theory (CTT), Generalizability Theory (G-Theory), and Item Response Theory (IRT). This paper will provide a very brief but valuable overview of these trends. It will then move onto a brief consideration of the most recent notion of Differential Item Functioning (DIF). It will finally conclude that the material discussed here is applicable not only to language tests but also to tests in other fields of science. (Contains 1 figure and 1 table.) ["Journal on Educational Psychology" is published by i-manager.]
Publication Type: Journal Articles; Reports - Descriptive
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A