Your friend tells you that she plans to conduct an experiment ...

[tth]

Your friend tells you that she plans to conduct an experiment that is more complex than is
  necessary just to impress her instructor. What should you tell her and why?
 
  A) She has a bad idea based on the principle of parsimony.
  B) She has a good idea because it will help avoid confounding.
  C) She has a good idea based on the principle of parsimony.
  D) She has a bad idea because it will result in confounding.

Question 2

This threat to internal validity refers to problems in how groups were formed such that the
  groups are not equal before the experiment.
 
  A) selection B) maturation C) testing D) history

[chjcharjto14]

Answer to Question 1

A

Answer to Question 2

A

[tth]

Thank you

[chjcharjto14]

No problem