Statistical Design of Experiments
Statistical Design of Experiments
Resolution 5
Resolution 5
Fractional Factorial:
Fractional Factorial:
Main effects are confounded
Main effects are confounded
with 4-way interactions, and 2-
with 4-way interactions, and 2-
way interactions are
way interactions are
confounded with 3-way
confounded with 3-way
interactions.
interactions.
Resolution 3
Resolution 3
Fractional Factorial:
Fractional Factorial:
Main effects are confounded
Main effects are confounded
with 2-way interactions, and 2-
with 2-way interactions, and 2-
way interactions are
way interactions are
confounded with each other.
confounded with each other.
Resolution 4
Resolution 4
Fractional Factorial:
Fractional Factorial:
Main effects are confounded
Main effects are confounded
with 3-way interactions, and 2-
with 3-way interactions, and 2-
way interactions are
way interactions are
confounded with each other.
confounded with each other.
Confounding
Confounding