Whatotherthingsaregoingon biasesandexpectationsofthe

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Unformatted text preview: get better Some event or experience occurs between cause and effect took place Some people drop out after getting a ‘treatment’ so we only see some people afterwards • If you claim the group is better or worse than before the treatment, but its no longer the same people in it, maybe its not because of the treatment Something else is actually causing both the ‘cause’ and the ‘effect’ • Bad studies do not rule out alternative explanations. • What other things are going on? Biases and expectations of the ‘experimenter’ can create outcomes. • Whether conscious or not, people can and do influence results of their ‘studies’ • Need ‘blind’ experimenters People knowing they are being studied a...
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This note was uploaded on 01/30/2014 for the course COHR 302 taught by Professor Sandrarobinson during the Fall '09 term at University of British Columbia.

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