SIGNIFICANCE TESTING EAR ROUND-ROBIN DATA

Many psychological phenomena involve 2 individuals whose actions, thou ghts, or feelings are interdependent, Psychologists' usual research me thods assume independence of observations, hence they are ill-suited t o illuminate these dyadic phenomena, In this article, the authors revi ew some dyadic research methods: a round robin research design and a s ocial relations statistical model, They also explain how to use these methods and describe a few substantive applications, The article focus es on significance tests for round robin data, The authors report comp uter simulations that compare the round robin significance tests curre ntly in use to a within-group t test they are proposing, Results indic ate that all of these significance tests adequately control Type I err ors, but that the authors' new test has pou er advantages over existin g tests.