In an experimental design ______, whereas in a correlational design ______.
there is only one variable (the independent variable); there are two variables (X and Y)
there are two X variables; there are an X and a Y variable
researchers assign each person an X score and then measure the score on the Y variable; researchers measure scores on variables that a participant has already experienced
researchers measure scores on variables that a participant has already experienced; researchers assign each person an X score and then measure the score on the Y variable
