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### Design 9

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

(c) Repeated measures on BOTH factors

 Independent variable B (Factor B) Level B1 Level B2 Independent variable A Level A1 Group 1 Group 1 (Factor A) Level A2 Group 1 Group 1

Or

 Independent variable A (Factor A) Level A1 Level A2 Group 1 subjects Independent variable B (Factor B) Level B1 Level B2 Level B1 Level B2 M XM(A1B1) XM(A1B2) XM(A2B1) XM(A2B2) N XN(A1B1) XN(A1B2) XN(A2B1) XN(A2B2) O XO(A1B1) XO(A1B2) XO(A2B1) XO(A2B2) P XP(A1B1) XP(A1B2) XP(A2B1) XP(A2B2) Q XQ(A1B1) XQ(A1B2) XQ(A2B1) XQ(A2B2) R XR(A1B1) XR(A1B2) XR(A2B1) XR(A2B2)