Whereas ________ research methods allow us to show how one ...

[nenivikky]

Whereas ________ research methods allow us to show how one variable produced a change in
  another variable, ________ research methods cannot support cause-and-effect conclusions.
 
  A) experimental; descriptive B) independent; dependent
  C) valid; invalid D) descriptive; experimental

Question 2

What is the main reason why descriptive research methods do not allow researchers to support
  causality?
 
  A) groups not formed randomly B) sample sizes are typically too small
  C) no manipulation of an IV D) no available statistical tests

[ashely1112]

Answer to Question 1

A

Answer to Question 2

C

[nenivikky]

Excellent

[kjohnson]

Great answer, keep it coming