Guest Posted January 17, 2016 Report Share Posted January 17, 2016 (edited) Hello everyone. I've conducted two tests, an independent t-test and a Mann Whitney U test for my psychology IA, but they give different results! The t-test confirms my research hypothesis, while the Mann Whitney U test disproves my hypothesis. The Mann Whitney U test, according to cranepsych, appears to be more acceptable by the IB for use in the inferential statistics section of the IA, but the t-test can also be used if it is properly justified!!... What should I do?? Should I go with Mann-Whitney OR the t-test?? Edited July 1, 2016 by Guest Reply Link to post Share on other sites More sharing options...
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