Interesting article: The use of predicted confidence intervals when planning experiments and the misuse of power when interpreting results. Goodman S Annals of Internal Medicine 1994; 121(3): 200-206. [Medline] [Abstract] [Full text] Description: An early article written for doctors that explains why you should not calculate power after the experiment is completed. These calculations have, according to the authors, an "Alice-in-Wonderland feel" because they are guaranteed to confuse the issue. The description of this article was written on 2007-11-27, 2008-01-12. Category: Interesting articles, Category: Post hoc power