LSSGB: What is the major weakness of the one factor at a time experimental strategy?

OPTIONS

• It offers no ability to vary factors together
• It fails to account for interactions between factors
• It can be more costly to conduct
• It is less efficient than designed experiments

ANSWER

It fails to account for interactions between factors

EXPLANATION

All the items present good arguments against the one factor at a time testing. However, the major disadvantage is the failure to account for interactions.