Multiple Choice
Which is the best interpretation for the following results of a multiple time-series design evaluating the effects of a new program in School A that aims to decrease the number of school dropouts?
A) The intervention in School A was effective.
B) The results for School A appear to be attributed to an ongoing trend that was improving with the passage of time.
C) The results for School A appear to be attributed to regression to the mean.
D) The results for School A appear to be attributed to history.
E) All but a are correct.
Correct Answer:

Verified
Correct Answer:
Verified
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