Table 2. Factorial design of 3 factors with 2 levels.

	B1		B2
	C1	C2	C1	C2
A1	A1 + B1 + C1	A1 + B1 + C2	A1 + B2 + C1	A1 + B2 + C2
A2	A2 + B1 + C1	A2 + B1 + C2	A2 + B2 + C1	A2 + B2 + C2