In factorial experiments, researchers can't make cause-effect ...

[melina_rosy]

In factorial experiments, researchers can't make cause-effect conclusions for
 
  a. ethical reasons.
  b. studies using animal subjects.
  c. subject variables.
  d. well-designed studies.

Question 2

Which of the following is an example of a nonexperimental independent variable?
 
  a. The subject's gender.
  b. The amount of time permitted to study a list of words.
  c. Whether or not the subjects receive a dose of a drug.
  d. none of the above

[bfulkerson77]

Answer to Question 1

c

Answer to Question 2

a