A) I only
B) II only
C) I and II are both true
D) Neither I nor II are true
With regard to online surveys, all response formats for closed-ended questions are
equivalent and will provide identical data.
The following statements refer to potential limitations of A/B testing.
I. When single changes are instituted sequentially, A/B testing takes a significant
amount of time in order to continuously test and compare modified ads to the
current “best” ad.
II. When multiple changes are made all at once, it is impossible to say which
specific changes affected the outcome.
Which, if any, of these statements is (are) true?
A) I only
B) II only