In observational studies, investigators have no control over the treatment assignment. The treated and non-treated (that is, control) groups may have large differences on their observed covariates, and these differences can lead to biased estimates of treatment effects. Even traditional covariance a
A comparison of young offenders and a control group in relation to n achievement
β Scribed by Aron Wolfe Siegman
- Publisher
- John Wiley and Sons
- Year
- 1961
- Tongue
- English
- Weight
- 226 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0021-9762
No coin nor oath required. For personal study only.
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