An advantage of holding a variable constant rather than using ...

[sjones]

An advantage of holding a variable constant rather than using random assignment to form your groups is that holding a variable constant ____.
 
  a. reduces error due to participant differences
  b. is easier than randomization
 c. prevents confounding
 d. ensures a nonbiased sample

Question 2

The Ethics Committee of the APA educates _________ about ethical issues related to psychological research.
 
  a. psychologists
  b. the public
  c. students
  d. all of these

[cascooper22]

Answer to Question 1

c

Answer to Question 2

D

[sjones]

Thank you

[cascooper22]

No problem