This bestselling textbook is designed to help students understand parametric and nonparametric statistical methods so that they can tackle research problems successfully. By working through this book carefully and systematically, those who may not have a strong background in mathematics will gain a thorough grasp of the most widely used statistical methods in the social sciences.

Design 8

Factorial designs—the effect of two independent variables on the dependent variable

  • Repeated measures on ONE factor
Independent Variable B (Factor B)
Level B1Level B2
Independent variable A (Factor A)Level A1Group1XA1Group1XA2
Level A2Group2XE1Group2XE2

19.1 Using TWO-WAY ANALYSIS OF VARIANCE—repeated observations on one factor

When we wish to determine the effects of two independent variables on a dependent variable and ...

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