Fingerprint
Dive into the research topics of 'Estimates of External Validity Bias When Impact Evaluations Select Sites Nonrandomly'. Together they form a unique fingerprint.- Sort by
- Weight
- Alphabetically
Estimates of External Validity Bias When Impact Evaluations Select Sites Nonrandomly
Stephen H. Bell, Robert B. Olsen, Larry L. Orr, Elizabeth A. Stuart
Research output: Contribution to journal › Article › peer-review
20
Scopus
citations