{"id":13985,"date":"2021-04-13T12:35:18","date_gmt":"2021-04-13T03:35:18","guid":{"rendered":"https:\/\/themantic-education.com\/ibpsych\/?p=13985"},"modified":"2021-04-16T03:57:09","modified_gmt":"2021-04-15T18:57:09","slug":"two-tailed-or-one-tailed-test","status":"publish","type":"post","link":"https:\/\/www.themantic-education.com\/ibpsych\/2021\/04\/13\/two-tailed-or-one-tailed-test\/","title":{"rendered":"Two-tailed or one-tailed test?"},"content":{"rendered":"
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Everything you need for the IA in an instant download. Available here<\/a>.<\/p><\/div>\n

I can almost guarantee you’ll need a one-tailed test for your inferential statistics in the IB Psychology IA. Let’s see why. <\/strong><\/p>\n

It’s one of the most common mistakes made in the analysis, but it’s so easy to avoid. Do you need a one or two-tailed inferential statistics test (e.g. MWU or Wilcoxon)?<\/p>\n

The Easy Answer<\/h2>\n