Yesterday I greatly enjoyed a zoom talk with the Open Science Community of Turku, Finland. Online were good folks from Finland, The Netherlands and I don’t know where else. Great questions at the end! My slides and 3 data files …

The Latest on esci: Geoff’s Talk to Turku Read more »

Can you help? Surely someone has written about this question? Please let me know where! In the paired design, the two measures, for example Pretest and Posttest, are usually positively correlated. The SD of the paired differences (sdiff), is usually …

The Simple Paired Design: How Does the Correlation Relate to SD(diff)? Read more »