Author Question: Experimental designs differ mainly in a. number of independent variables. b. method of assigning ... (Read 76 times)

DelorasTo · **on:** Jun 20, 2018

Experimental designs differ mainly in

a. number of independent variables.
b. method of assigning subjects to treatments.
c. number of pre-measurements of the dependent variable.
d. a and b
e. a, b, and c

Question 2

In order to apply the law of the single significant independent variable to a study, a researcher should

a. choose a single test for the dependent variable.
b. determine which single test is most related to the independent variable by using several tests as possible dependent variable.
c. determine which single variable makes the most difference by varying the independent variable in many different ways.
d. establish two groups that are as alike as possible, except one is exposed to the independent variable while the other is not.