The Mann Whitney U Test

IB Psychology: The Mann Whitney U Test

When writing the IA, nothing seems to worry students (and teachers) more than the application of inferential statistics. And yet - it is actually not as difficult as it may seem.The Mann Whitney U test is used when we have an independent samples design. The Mann Whitney is a safe test to use for the small sample sizes that are typical of the IA. Also, since we often do not have a standard distribution of data, but often...


To access the entire contents of this site, you need to log in or subscribe to it..

Click the free stuff button on the home page to access free pages or check the blog (which is also free).

All materials on this website are for the exclusive use of teachers and students at subscribing schools for the period of their subscription. Any unauthorised copying or posting of materials on other websites is an infringement of our copyright and could result in your account being blocked and legal action being taken against you.