Descriptor
| Chi Square | 1 |
| Effect Size | 1 |
| Estimation (Mathematics) | 1 |
| Power (Statistics) | 1 |
| Research Utilization | 1 |
| Sample Size | 1 |
| Selection | 1 |
Source
| Journal of Educational and… | 1 |
Author
| Gillett, Raphael | 1 |
Publication Type
| Journal Articles | 1 |
| Reports - Evaluative | 1 |
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Peer reviewedGillett, Raphael – Journal of Educational and Behavioral Statistics, 1996
A rigorous method is outlined for using information from a previous study and explicitly taking into account the variability of an effect size estimate when determining sample size for a chi-squared test. This approach assures that the average power of all experiments in a discipline attains the desired level. (SLD)
Descriptors: Chi Square, Effect Size, Estimation (Mathematics), Power (Statistics)
