Repeated, standardized measurement of several settings over time, ...

[renzo156]

Repeated, standardized measurement of several settings over time, when an intervention is implemented at different times in different settings during the measurement, is:
 
  a. a multiple baseline design.
  b. an interrupted time-series design.
  c. a focus group design.
  d. both a' and b'

Question 2

A limitation of the interrupted time-series design is that changes in the dependent variable may be due not to the intervention, but to:
 
  a. a confounding external event.
  b. seasonal changes in the dependent variable.
  c. lack of a randomly assigned control group.
  d. both a' and b'

[ciecieme]

Answer to Question 1

d

Answer to Question 2

d

[renzo156]

Thank you

[ciecieme]

No problem