What is one difference between a time-series design and an ...

[nelaaney]

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

[juliaf]

Answer to Question 1

a

Answer to Question 2

b