Estimation of Score Distributions for TOEFL Concordance Tables [microform] / Hai Jiang
- Bib ID:
- 5628574
- Format:
- Book and Microform
- Author:
- Jiang, Hai
- Online Version:
- https://eric.ed.gov/?id=ED431808
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- Description:
-
- [Washington D.C.] : Distributed by ERIC Clearinghouse, 1999
- 19 p.
- Summary:
-
The purpose of this paper is to describe the techniques used in establishing the concordance tables between the Test of English as a Foreign Language (TOEFL), paper and pencil (P&P), and computer-based testing (CBT) sections and total reported score scales. Listening, reading, and composite structure and essay scores plus a total score are reported in the CBT on scales that are nonoverlapping with the P&P scales. The concordance study was conducted to make it possible to equate the CBT test to the P&P test. Examinees (n=8,387) took the CBT soon after their P&P tests. Responses from both were used to estimate the conditional distributions of the CBT section scores and the observed Essay scores, given the P&P scores. Projected population distributions were then obtained for the CBT scores and observed Essay scores. Given reference forms for the CBT, the CBT and Essay score distributions were projected to reference-test observed score distributions that then served as the basis for concordance functions. Concordance tables were successfully established between the CBT and the P&P reported score scales for TOEFL. It might be argued that the researchers could have used the study group alone to establish the concordance relationships. However, because of the self-selection of the examinees participating in the study, their P&P score distributions were clearly different from those of the population, and it was determined that more sophisticated methods needed to be employed. (Author/SLD)
- Notes:
-
- ERIC Note: Paper presented at the Annual Meeting of the National Council on Measurement in Education (Montreal, Quebec, Canada, April 20-22, 1999).
- May also be available online. Address as at 14/8/18: https://eric.ed.gov/
- Reproduction:
- Microfiche. [Washington D.C.]: ERIC Clearinghouse microfiches : positive.
- Subject:
- Available From:
- ERIC
- Copyright:
-
In Copyright
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Copyright status was determined using the following information:
- Material type:
- Literary Dramatic Musical
- Published status:
- Published
- Publication date:
- 1999
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