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Unformatted text preview: - Give different treatments to different groups- Control unrelated factors- Differences in responses from the different groups are likely caused by the treatment we give, i.e., a causal relationship...
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This note was uploaded on 02/22/2010 for the course FBE BUSI1004 taught by Professor Qiu. during the Winter '09 term at HKU.
- Winter '09