Which one of the following statements is most true concerning ...

[saliriagwu]

Which one of the following statements is most true concerning baseline stability in an interrupted time series design? It is desirable to have
 
  a. baseline stability before the independent variable is introduced
  b. baseline stability after the independent variable is introduced
  c. baseline stability before and after the independent variable is introduced
  d. abrupt changes in baseline before the independent variable is introduced

Question 2

An automobile plant plans to implement a new assembly procedure throughout the plant in order to increase productivity. To find out whether the new procedure is better than the old, management plans to compare weekly productivity over the last six months before the change with the first six months after the change. What type of quasi-experimental design is illustrated in this example?
 
  a. interrupted time series
  b. delayed control group
  c. regression discontinuity
  d. repeated treatment

[AmberC1996]

Answer to Question 1

c

Answer to Question 2

a

[saliriagwu]

Excellent

[Jsherida]

Gracias!