The ABAB design is generally considered more _____ than the ABA design because subjects are left with the effect of the treatment.
a. reliable
b. valid
c. ethical
d. effective
Which of the following is NOT a type of small-n design?
a. ABA reversal designs
b. ABAB reversal designs
c. multiple-baseline designs
d. single-group posttest only design
Which of the following is an advantage of small-n designs according to Sidman (1960).
a. They allow for easier replication.
b. They contribute less to error variance.
c. They allow us to look at mean (average) performance.
d. They allow for easier replication AND they contribute less to error variance.
A problem with single-group designs is that:
a. they are open to many confounds.
b. there is no comparison group.
c. there is no equivalent control group.
d. all of the other alternatives are problems.
ABAB design is to _____ design as single-case design is to _____.
a. ABA: a design in which only a few subjects are used
b. reversal; a design in which only a few subjects are used
c. ABA; a design in which only one subject is used
d. reversal; a design in which only one subject is used
A single-case design in which the independent variable is introduced and removed one or more times is a _____ design.
a. small-n
b. non-equivalent control group
c. reversal
d. pretetst/posttest
ABA design is to _____ design as a small-n design is to _____.
a. reversal; a design in which only a few subjects are used
b. ABAB; a design in which only a few subjects are used
c. reversal; a design in which only one subject is used
d. ABAB; a design in which only one subject is used
A design in which only one subject is used is to a(n) _____ design as a design in which only a few subjects are used is to a _____ design.
a. small-n; single-case
b. single-case; small-n
c. single-case; reversal
d. ABA; small-n
A threat to internal validity in which extreme scores, upon retesting, tend to be less extreme is called:
a. a time-series confound.
b. a single-group effect.
c. regression to the mean.
d. none of the alternatives is correct.
Students in two of Mr. Lewis's classes are given a test to assess their knowledge of world geography. Then, students in one of the classes participate in Mr. Lewis's new interactive geography learning modules. Students in the other class learn geography using the traditional lecture method. After three months, all students once again take a test to assess their knowledge of world geography. What kind of design did Mr. Lewis use?
a. single-group pretest-posttest
b. non-equivalent control group pretest-posttest
c. multiple-group time-series design
d. single-group time-series design
Quick Reply
