The following are shortcomings associated with analyzing problems "one factor at a time" (also known as OFAT and 1FAT)EXCEPT:
A)In real life it is almost impossible to hold all other factors constant
B)Experimental designs specify levels for each factor to be included
C)It is very hard to account for interactions or joint variation between factors
D)Though graphing results is helpful to observe different factors,it is hard to graph variation of more than two or three variables at the time

Question

Quizplus · Accepted Answer

This statement is actually true and not a shortcoming of analyzing problems "one factor at a time". OFAT designs do specify levels for each factor to be included, which can be helpful for identifying the effects of individual factors on the outcome of interest. The other three choices are all valid shortcomings of OFAT designs.

The Following Are Shortcomings Associated with Analyzing Problems "One Factor