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Causation as a shared standard; 3. Using case studies to test and define regressions; 4. Case selection after regression; 5. Combining case studies and matching; 6. Subtitle Combining Qualitative and Quantitative Tools.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.