Two - way ANOVA

Last week we learned about one-way designs. They examine several levels of a single factor. For instance, we might examine the effect of StudyType (independent variable) on LanguagePerformance (dependent variable). Classroom study Self-study Control Perhaps we think that the StudyType manipulation might only affect one gender or the other. We could do a two-way design whether a second factor, Gender. Classroom study Self-study Control female male Factorial design In factorial design the dependent variable (score on the Cambridge English Proficiency test) is sampled in every possible combination of the factors. That is, each test score is cross-classified as coming from someone who is e.g. Female AND European or Male AND Southeast Asian etc.