A good friend tells you she wants to run a tightly controlled ...

[SO00]

A good friend tells you she wants to run a tightly controlled study in the lab to prevent
  extraneous variables from affecting the results, even if it means her results will not have much
  relevance to behavior in the real world (i.e.
 
  , outside the lab). What factor seems most important
  to her?
  A) external validity B) internal validity
  C) interaction effects D) reliability

Question 2

A 2  2  2 experiment has been conducted. How many interactions will be calculated?
 
  A) 1 B) 3 C) 4 D) 6 E) 8

[fwbard]

Answer to Question 1

B

Answer to Question 2

C

[SO00]

Thank you

[fwbard]

No problem