What statistical test is appropriate for a pretest/posttest
https://stats.stackexchange.com/questions/530611/what-statistical-test-is-appropriate-for-a-pretest-posttest-experimental-control
WEBJun 14, 2021 · I thought this would be a relatively straightforward question, but I'm having difficulty finding a decisive answer. Let's say I'm planning to run a study to test the effectiveness of a new type of pain medicine with 100 participants, who will be randomly divided into an experimental group and a placebo group with 50 participants each.
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