If you wanted to see if behavior changes over time, you could ...

[tfester]

If you wanted to see if behavior changes over time, you could make multiple measurements of a group of participants every month for a year,
 
  inserting your manipulation after three months (or any time you chose) and seeing if change occurred. Such a design would involve a
  a. static-group comparison design.
  b. one-group pretest-posttest design.
  c. nonequivalent control group design.
  d. interrupted time series design.

Question 2

. If you were planning a study that would compare students who were Democrats and Republicans according their degree of support for foreign military action after they were exposed to political advertisements,
 
  you could measure their support before their exposure to the messages. Such a study would involve what design?
  a. static-group comparison design.
  b. one-group pretest-posttest design.
  c. nonequivalent control group design.
  d. time series design.

[zacnyjessica]

Answer to Question 1

d

Answer to Question 2

c

[tfester]

Gracias!

[komodo7]

Excellent