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
| Difficulty Level | 2 |
| Evaluation Methods | 2 |
| Testing Programs | 2 |
| Ability Grouping | 1 |
| Comparative Analysis | 1 |
| Elementary Secondary Education | 1 |
| Equated Scores | 1 |
| Foreign Countries | 1 |
| Groups | 1 |
| Item Analysis | 1 |
| Item Response Theory | 1 |
| More ▼ | |
Source
| ACT, Inc. | 1 |
Publication Type
| Reports - Evaluative | 2 |
| Numerical/Quantitative Data | 1 |
Education Level
Audience
Location
| Dominica | 1 |
| Grenada | 1 |
| Saint Lucia | 1 |
| Saint Vincent and the… | 1 |
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Download full textChen, Hanwei; Cui, Zhongmin; Zhu, Rongchun; Gao, Xiaohong – ACT, Inc., 2010
The most critical feature of a common-item nonequivalent groups equating design is that the average score difference between the new and old groups can be accurately decomposed into a group ability difference and a form difficulty difference. Two widely used observed-score linear equating methods, the Tucker and the Levine observed-score methods,…
Descriptors: Equated Scores, Groups, Ability Grouping, Difficulty Level
Shorey, Leonard – 1991
Tests in social studies and integrated science given in Saint Vincent, Saint Lucia, Grenada, and Dominica were analyzed by the Organization for Co-operation in Overseas Development (OCOD) Comprehensive Teacher Training Program (CTTP) for discrimination, difficulty, and reliability, as well as other characteristics. There were 767 examinees for the…
Descriptors: Difficulty Level, Elementary Secondary Education, Evaluation Methods, Foreign Countries
