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...since 2) conclusion is not restricted to this popn & 3) what is really important is randomisation between treatment & control https://t.co/1A93FTG6XV
...since 2) conclusion is not restricted to this popn & 3) what is really important is randomisation between treatment & control https://t.co/1A93FTG6XV
Thanks. Great example, 1).but the fact that those targetted are a simple random sample of some unrepresentative population is unimportant https://t.co/1A93FTG6XV