In interrupted time-series designs,
A) the experiences of a single participant are manipulated and recorded.
B) two or more groups of participants are measured several times.
C) a single group of participants is measured several times both before and after some event or manipulation.
D) a single group of participants is measured once at pretreatment and once at post-treatment.
Answer: C
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What will be an ideal response?
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Indicate whether the statement is true or false