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
| Intervals | 2 |
| Predictor Variables | 2 |
| Simulation | 2 |
| Concept Formation | 1 |
| Context Effect | 1 |
| Evaluation Research | 1 |
| Methods Research | 1 |
| Models | 1 |
| Sample Size | 1 |
| Sampling | 1 |
| Scores | 1 |
| More ▼ | |
Source
| Psychological Methods | 2 |
Author
| Bauer, Daniel J. | 1 |
| Coffman, Donna L. | 1 |
| Gil, Karen M. | 1 |
| Hartmann, Wolfgang M. | 1 |
| Maydeu-Olivares, Alberto | 1 |
| Preacher, Kristopher J. | 1 |
Publication Type
| Journal Articles | 2 |
| Reports - Evaluative | 1 |
| Reports - Research | 1 |
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Peer reviewed
Direct linkMaydeu-Olivares, Alberto; Coffman, Donna L.; Hartmann, Wolfgang M. – Psychological Methods, 2007
The point estimate of sample coefficient alpha may provide a misleading impression of the reliability of the test score. Because sample coefficient alpha is consistently biased downward, it is more likely to yield a misleading impression of poor reliability. The magnitude of the bias is greatest precisely when the variability of sample alpha is…
Descriptors: Intervals, Scores, Sample Size, Simulation
Bauer, Daniel J.; Preacher, Kristopher J.; Gil, Karen M. – Psychological Methods, 2006
The authors propose new procedures for evaluating direct, indirect, and total effects in multilevel models when all relevant variables are measured at Level 1 and all effects are random. Formulas are provided for the mean and variance of the indirect and total effects and for the sampling variances of the average indirect and total effects.…
Descriptors: Testing, Models, Sampling, Context Effect
