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
| Correlation | 2 |
| Computer Software | 1 |
| Computers | 1 |
| Educational Research | 1 |
| Effect Size | 1 |
| Field Studies | 1 |
| Information Retrieval | 1 |
| Library Catalogs | 1 |
| Library Research | 1 |
| Literature Reviews | 1 |
| Multivariate Analysis | 1 |
| More ▼ | |
Publication Type
| Guides - General | 2 |
| Information Analyses | 1 |
| Journal Articles | 1 |
| Reports - Evaluative | 1 |
| Reports - Research | 1 |
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Download full textHedges, Larry V.; Rhoads, Christopher – National Center for Special Education Research, 2010
This paper provides a guide to calculating statistical power for the complex multilevel designs that are used in most field studies in education research. For multilevel evaluation studies in the field of education, it is important to account for the impact of clustering on the standard errors of estimates of treatment effects. Using ideas from…
Descriptors: Research Design, Field Studies, Computers, Effect Size
Peer reviewedKilgour, Frederick G. – Online Review, 1991
Discusses library use studies that examined library catalog search failures and demonstrates types of online catalog access that can reduce the failures caused by card catalog flaws or by user search errors by half. The use of single keyword, implied Boolean, or derived truncated key retrieval is suggested. (14 references) (LRW)
Descriptors: Correlation, Information Retrieval, Library Catalogs, Library Research
