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) | 1 |
Descriptor
| Error Patterns | 2 |
| Scores | 2 |
| Achievement Tests | 1 |
| Cheating | 1 |
| Educational Testing | 1 |
| Elementary Education | 1 |
| Evaluation Methods | 1 |
| Goodness of Fit | 1 |
| Item Response Theory | 1 |
| Junior High Schools | 1 |
| Models | 1 |
| More ▼ | |
Source
| Applied Psychological… | 1 |
Publication Type
| Journal Articles | 1 |
| Reports - Descriptive | 1 |
| Reports - Research | 1 |
| Speeches/Meeting Papers | 1 |
Education Level
Audience
| Researchers | 2 |
Location
Laws, Policies, & Programs
Assessments and Surveys
| Iowa Tests of Basic Skills | 1 |
What Works Clearinghouse Rating
Peer reviewed
Direct linkRoberts, James S. – Applied Psychological Measurement, 2008
Orlando and Thissen (2000) developed an item fit statistic for binary item response theory (IRT) models known as S-X[superscript 2]. This article generalizes their statistic to polytomous unfolding models. Four alternative formulations of S-X[superscript 2] are developed for the generalized graded unfolding model (GGUM). The GGUM is a…
Descriptors: Item Response Theory, Goodness of Fit, Test Items, Models
Perlman, Carole L. – 1985
Due to a concern regarding the validity of Chicago public elementary schools standardized test scores on the Iowa Tests of Basic Skills, a test audit was conducted. The audit was limited to 40 schools. Two schools were selected from each of the 20 administrative districts, with each school testing one seventh- and one eighth-grade class. These…
Descriptors: Achievement Tests, Cheating, Educational Testing, Elementary Education
