Descriptor
| Correlation | 1 |
| Error of Measurement | 1 |
| Mathematical Models | 1 |
| Predictive Validity | 1 |
| Predictor Variables | 1 |
| Research Problems | 1 |
| Test Reliability | 1 |
Source
| Educational and Psychological… | 1 |
Author
| Strauss, David | 1 |
Publication Type
| Journal Articles | 1 |
| Reports - Evaluative | 1 |
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Peer reviewedStrauss, David – Educational and Psychological Measurement, 1981
To determine if the observed correlation between two variables can be "explained" by a third variable, a significance test on the partial correlation coefficient is often used. This can be misleading when the third variable is measured with error. This article shows how the problem can be partially overcome. (Author/BW)
Descriptors: Correlation, Error of Measurement, Mathematical Models, Predictive Validity


