Which of the Following Is FALSE Regarding Time-Series Designs

Multiple Choice

Which of the following is FALSE regarding time-series designs?

A) They enable detection of whether a process of maturation could be at work.
B) Regular fluctuations that occur apart from the experimental stimulus can be identified.
C) They protect against the possible influence of some extraneous factor.
D) They involve multiple observations at different points in time.
E) They are considered quasi-experimental designs.