10.1177/1534734603256075 ARTICLEREEDANALYSIS OF VARIANCE MODELS Teaching Review Analysis of Variance (ANOVA) Models in Lower Extremity Wounds

articles that used ANOVA analysis methods. Rela-tively, these articles did not represent a large propor-tion of the total number of articles. However, when the design of a study dictates the use of ANOVAmethods, one should analyze the data using appropriate statisti-cal methods rather than misusing multiple t tests. Consider a study in which 2 new treatments (X and Y) are being compared with a control group (C). One way to compare outcomeswould simply be to compare X with C, Y with C, and X with Y using 3 t tests. If we were to compare 4 groups, thenwewould need to use 6 t tests. The difficulty with using multiple t tests is that as the number of groups increases, so will the likeli-hood of finding a difference between anypair of groups simplybychangewhenno real difference exists,whic