Publication Date
| In 2025 | 0 |
| Since 2024 | 0 |
| Since 2021 (last 5 years) | 0 |
| Since 2016 (last 10 years) | 0 |
| Since 2006 (last 20 years) | 5 |
Descriptor
| True Scores | 6 |
| Equated Scores | 5 |
| Item Response Theory | 5 |
| Comparative Analysis | 3 |
| Test Items | 3 |
| Advanced Placement Programs | 2 |
| Calculus | 2 |
| Computation | 2 |
| Equations (Mathematics) | 2 |
| Multiple Choice Tests | 2 |
| Sampling | 2 |
| More ▼ | |
Author
| von Davier, Alina A. | 6 |
| Wilson, Christine | 2 |
| Chen, Haiwen | 1 |
| Fournier-Zajac, Stephanie | 1 |
| Holland, Paul W. | 1 |
| Jiang, Yanlin | 1 |
| Jiang, Yanming | 1 |
| Li, Deping | 1 |
| Qian, Jiahe | 1 |
Publication Type
| Journal Articles | 6 |
| Reports - Research | 5 |
| Reports - Evaluative | 1 |
Education Level
| High Schools | 1 |
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
| Advanced Placement… | 1 |
What Works Clearinghouse Rating
Peer reviewed
Download full textvon Davier, Alina A.; Chen, Haiwen – ETS Research Report Series, 2013
In the framework of the observed-score equating methods for the nonequivalent groups with anchor test design, there are 3 fundamentally different ways of using the information provided by the anchor scores to equate the scores of a new form to those of an old form. One method uses the anchor scores as a conditioning variable, such as the Tucker…
Descriptors: Equated Scores, Item Response Theory, True Scores, Methods
Direct linkLi, Deping; Jiang, Yanlin; von Davier, Alina A. – Journal of Educational Measurement, 2012
This study investigates a sequence of item response theory (IRT) true score equatings based on various scale transformation approaches and evaluates equating accuracy and consistency over time. The results show that the biases and sample variances for the IRT true score equating (both direct and indirect) are quite small (except for the mean/sigma…
Descriptors: True Scores, Equated Scores, Item Response Theory, Accuracy
Qian, Jiahe; Jiang, Yanming; von Davier, Alina A. – ETS Research Report Series, 2013
Several factors could cause variability in item response theory (IRT) linking and equating procedures, such as the variability across examinee samples and/or test items, seasonality, regional differences, native language diversity, gender, and other demographic variables. Hence, the following question arises: Is it possible to select optimal…
Descriptors: Item Response Theory, Test Items, Sampling, True Scores
von Davier, Alina A.; Fournier-Zajac, Stephanie; Holland, Paul W. – ETS Research Report Series, 2007
In the nonequivalent groups with anchor test (NEAT) design, there are several ways to use the information provided by the anchor in the equating process. One of the NEAT-design equating methods is the linear observed-score Levine method (Kolen & Brennan, 2004). It is based on a classical test theory model of the true scores on the test forms…
Descriptors: Equated Scores, Statistical Analysis, Test Items, Test Theory
von Davier, Alina A.; Wilson, Christine – Applied Psychological Measurement, 2008
Dorans and Holland (2000) and von Davier, Holland, and Thayer (2003) introduced measures of the degree to which an observed-score equating function is sensitive to the population on which it is computed. This article extends the findings of Dorans and Holland and of von Davier et al. to item response theory (IRT) true-score equating methods that…
Descriptors: Advanced Placement, Advanced Placement Programs, Equated Scores, Calculus
von Davier, Alina A.; Wilson, Christine – ETS Research Report Series, 2005
This paper discusses the assumptions required by the item response theory (IRT) true-score equating method (with Stocking & Lord, 1983; scaling approach), which is commonly used in the nonequivalent groups with an anchor data-collection design. More precisely, this paper investigates the assumptions made at each step by the IRT approach to…
Descriptors: Item Response Theory, True Scores, Equated Scores, Test Items
