The B1 mean and B2 mean represent the main effect of IVB and can also be called ________ means.
a. cell
b. marginal
c. summary
d. variable
A psychotherapist has three clients all of whom suffer from agoraphobia. He wants to see if his new behavioral therapy is effective in treating this fear. In the beginning of his experiment, he measures number of times each client goes out in public.
The next week, he starts one client on the therapy while withholding it from the other two, and, for all three clients measures number of times each goes out in public that week. Then he keeps the first client on the therapy, starts it with the second client, and again measures number of times out in public for all three. Finally, in week four he starts the therapy with the third client, so now all three are experiencing the therapy. This is an example of which kind of single-case design?
a. A-B-A design
b. interaction design
c. multiple baseline design
d. changing criterion design
What type of sampling selects people with the desired characteristics until the desired number is reached?
a) convenience sampling
b) quota sampling
c) stratified sampling
d) systematic sampling
The interval level of measurement would include which of the following?
a) number of words spelled incorrectly
b) hair color
c) IQ score
d) height
The purpose of a post hoc test is to
a. determine which specific treatment conditions are significantly different.
b. determine whether or not a Type I error was made in the ANOVA.
c. determine whether or not a complete ANOVA is justified.
d. to determine the magnitude of an effect.
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