Publication Date
| In 2026 | 0 |
| Since 2025 | 0 |
| Since 2022 (last 5 years) | 0 |
| Since 2017 (last 10 years) | 0 |
| Since 2007 (last 20 years) | 1 |
Descriptor
| Error of Measurement | 1 |
| Identification | 1 |
| Item Analysis | 1 |
| Objective Tests | 1 |
| Sample Size | 1 |
| Simulation | 1 |
| Statistical Analysis | 1 |
| Test Bias | 1 |
| Test Items | 1 |
| Test Selection | 1 |
Source
| ProQuest LLC | 1 |
Author
| Keiffer, Elizabeth Ann | 1 |
Publication Type
| Dissertations/Theses -… | 1 |
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Direct linkKeiffer, Elizabeth Ann – ProQuest LLC, 2011
A differential item functioning (DIF) simulation study was conducted to explore the type and level of impact that contamination had on type I error and power rates in DIF analyses when the suspect item favored the same or opposite group as the DIF items in the matching subtest. Type I error and power rates were displayed separately for the…
Descriptors: Test Items, Sample Size, Simulation, Identification
