If a study were preformed that measured alcohol-related traffic accidents before and after an ...

If a study were preformed that measured alcohol-related traffic accidents before and after an increase of the drinking age, the study would use a(n) ___________ design.
 
  a. longitudinal
  b. interrupted time series
  c. control series
  d. ABAB design

Question 2

Niederkrotenthaler and Sonneck (2007) measure the rate of suicide before and after the implementation of strict media guidelines. The study represents the _____ design.
 
  a. longitudinal
  b. interrupted time series
  c. control series
  d. ABAB design

Question 3

If X = experimental treatment and O = pretest or posttest observation, then O O O O X O O O represents the _____ design.
 
  a. delayed posttest control group
  b. interrupted time series
  c. repeated treatment
  d. regression discontinuity