In a true experiment, the researcher _______ variables, and in a ...

[hubes95]

In a true experiment, the researcher _______ variables, and in a quasi-experiment the researcher _______ variables.
 
  a. manipulates, observes
  b. observes manipulates
  c. controls, assigns
  d. assigns, records

Question 2

If an experiment compared preexisting classes of students, the two classes would be called
 
  a. Ex post facto variables
  b. Extraneous variables
  c. Confounding variables
  d. Dependent variables

[blfontai]

Answer to Question 1

a

Answer to Question 2

a

[hubes95]

YES! Correct, THANKS for helping me on my review

[Sarahjh]

Gracias!