Before conducting the experiment, Karen and Dr. Edelweiss should, ...

[kshipps]

Before conducting the experiment, Karen and Dr. Edelweiss should, according to APA standards,
 
  a) inspect the health of their rats.
  b) have a veterinarian inspect their rats.
  c) have the IRB inspect the laboratory.
   d) get their research protocol approved by the IACUC.

Question 2

The internal validity threat known as history is a problem for which of the following designs?
 
  a. Nonequivalent comparison group design
   b. Interrupted time-series design
  c. Regression-discontinuity design
  d. None of the above

[allisonblackmore]

Answer to Question 1

D

Answer to Question 2

B

[kshipps]

Thanks for the timely response, appreciate it

[cam1229]

Excellent