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The Construct Validity of a Language Proficiency Test: a Multitrait Multimethod Approach

Publish Year: 1388
Type: Journal paper
Language: English
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Document National Code:

JR_TELJ-3-1_004

Index date: 26 April 2021

The Construct Validity of a Language Proficiency Test: a Multitrait Multimethod Approach abstract

 The present study intends to investigate the construct validity of a test which is used for admission purposes. It was conducted with 3,398 participants. These testees took an English language proficiency test as a partial requirement for entering a PhD program in different fields of education at the University of Tehran. This test has three sections consisting of grammar, vocabulary and reading comprehension. To determine the construct validity of the test, the design of multitrait- multimethod (MTMM) was investigated. According to Cronbach and Meehl (1959), in this design and approach to validation more than one trait and more than one method should be used. In the present study, the two traits used were grammar and vocabulary. The two methods employed were multiple choice and contextualization. The results revealed that the test possessed both convergent and discriminant validities. In other words, the same traits tested through different methods had more correlation than different traits tested through the same methods. To collect more evidence for the validity of the test and determine the effect of the methods used, the researchers also conducted two monotrait multimethod analyses: one was grammar being tested through more than one method and the other was vocabulary being tested in more than one way. The effects of methods were also determined.

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The Construct Validity of a Language Proficiency Test: a Multitrait Multimethod Approach authors

Abbas Ali Rezaee

Tehran University

Mohammad Salehi

Sharif University of Technology