Issues in Randomization Outline
Issues in Randomization Outline
Issues in Randomization Outline
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Interest<strong>in</strong>g Intro Talk• http://ted.com/talks/view/id/1234• Fast talk<strong>in</strong>g but good <strong>in</strong>terest<strong>in</strong>g<strong>in</strong>tro to research design andresults <strong>in</strong>terpretationAnother Game?Random Example (Game 1)• Everybody get a co<strong>in</strong>– Designate one side “Heads” and theopposite side “Tails”• Flip the co<strong>in</strong>• How many heads (raise hands)• How are the heads clustered (vstails) clustered together?9030