Author Question: In the posttest only design, _____. a. the control and treatment participants are the same people ... (Read 51 times)

jlmhmf · **on:** Jun 19, 2018

In the posttest only design, _____.

a. the control and treatment participants are the same people
b. the dependent variable is measured only once, after the treatment has been presented
c. the control group performs a different task than the experimental group does
d. all of these are true

Question 2

What serves as the control for all other factors besides the manipulation of the independent variable?

a. the experimental setting c. the control group
b. the experimental group d. all of these

maaaaaaaaaa · **Reply #1 on:** Jun 19, 2018

Answer to Question 1

B
The posttest only design is a between subjects design in which tasks are held constant across groups, and the dependent variable is measured after the manipulation has occurred.

Answer to Question 2

C
The control group is equivalent to the experimental group in every way except for the manipulation of the independent variable and perhaps for their behavior that is measured by the dependent variable.