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Title |
The Effect of Methods of Estimating the Ability on The Accuracy and Items Parameters According to 3PL Model |
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Author |
Deyab A. Almaleki and Ahoud Ghazi Alomrany |
| Citation |
Vol. 21 No. 7 pp. 93-102 |
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Abstract |
This study aimed to test method on the accuracy of estimating the items parameters and ability, using the Three Parameter Logistic. To achieve the objectives of the study, an achievement test in chemistry was constructed for third-year secondary school students in the course of ""natural sciences"". A descriptive approach was employed to conduct the study. The test was applied to a sample of (507) students of the third year of secondary school in the ""Natural Sciences Course"". The study’s results revealed that the (EAP) method showed a higher degree of accuracy in the estimation of the difficulty parameter and the abilities of persons higher than the MML method. There were no statistically significant differences in the accuracy of the parameter estimation of discrimination and guessing regarding the difference of the two methods: (MML) and (EAP). |
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Keywords |
Estimation-Accuracy; Three-Parameter Logistic Model (3PL); Items Parameters; Accuracy |
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