What is one difference between a time-series design and an interrupted time-series design?
a. Time series examines the effect of a treatment and interrupted time series examines the effect of an outside event.
b. Time series examines the effect of an outside event and interrupted time series examines the effect of a treatment.
c. Time series involves several observations before and after the treatment/event and interrupted time series has only one observation before and after.
d. Time series involves only one observation before and after the treatment/event and interrupted time series has several observations before and after.
Question 2
Carole is surveying homeless individuals to get a better understanding of their need for mental health services. She is aware that some may have difficulty with reading and writing. Her best choice for methodology is a(n) ____.
a. group questionnaire
b. personal interview
c. group questionnaire
d. drop-off survey
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