Author Question: Experimental control helps to eliminate the problem of a. variation in the dependent variable ... (Read 92 times)

lak · **on:** Jun 19, 2018

Experimental control helps to eliminate the problem of

a. variation in the dependent variable caused by the independent variable.
b. experimental error.
c. interaction effects.
d. error variance.

Question 2

The main difference between a multiple-baseline design and an ABAB design is the ABAB design ____.

a. is used when the treatment has a permanent or longlasting effect
b. is used when the treatment has an immediate but temporary effect
c. does not require a stable baseline phase
d. reduces the probability that the result is just chance or coincidence