Any experimental design that incorporates more than one independent variable is called a(n)_______ design.
a. complex
b. interaction
c. simple randomized
d. factorial
In a changing-criterion design, to demonstrate treatment effectiveness the target behavior must do which of the following?
a. attain statistical significance
b. show successive changes with changing criteria
c. return to baseline within two weeks of the end of treatment
d. remain constant through all treatment conditions
The p value associated with a F ratio in the analysis of variance tells us whether there is a significant difference in performance across all of our groups of participants; however, if there are 3 or more groups it does NOT tell us
a. which specific group(s) performed significantly better or worse.
b. whether that difference between any two of the means is statistically significant.
c. Both A and B are correct
d. Neither A nor B is correct.
Which is considered the least precise level of measurement?
a) ordinal
b) nominal
c) ratio
d) interval
Which of the following is NOT an advantage of a within-participants design?
a. it tends to require fewer participants that a between-participants design
b. it usually yields a more sensitive assessment of the effects of the independent variable(s)
c. it is relatively immune to carryover effects
d. it allows for many assessments of the dependent measure over time
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