If the vast majority of psychological research studied Behavior A ...

[naturalchemist]

If the vast majority of psychological research studied Behavior A exclusively in Species X and Species Y, the ______ is threatened.
 
  a) external validit
 b) internal validity
 c) reliability
 d) statistical power

Question 2

The results of a study investigating three types of treatment for depression indicate that Treatment A is most effective for individuals with mild depression.
 
  Treatment B is most effective for individuals with severe depression, and Treatment C is most effective when severity of depression is not considered. The severity of depression is a(n) _______ variable.
   a) extraneou
 b) dependent
 c) independent
 d) causal

[Kaytorgator]

Answer to Question 1

A

Answer to Question 2

A

[naturalchemist]

Thank you!

[Kaytorgator]

Happy to help