Descriptor
Disabilities | 1 |
Educational Research | 1 |
Elementary Secondary Education | 1 |
Hypothesis Testing | 1 |
Instructional Effectiveness | 1 |
Program Effectiveness | 1 |
Special Education | 1 |
Statistical Significance | 1 |
Source
Exceptionality | 1 |
Author
Morgan, Paul L. | 1 |
Publication Type
Journal Articles | 1 |
Reports - Evaluative | 1 |
Education Level
Audience
Researchers | 1 |
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating

Morgan, Paul L. – Exceptionality, 2003
This article first outlines the logic of null hypothesis testing and the problems of using it to evaluate special education research. It then presents three alternative metrics, a binomial effect size display, a relative risk ratio, and an odds ratio, that can better identify important treatment effects using illustrative data from recently…
Descriptors: Disabilities, Educational Research, Elementary Secondary Education, Hypothesis Testing