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Multiple Choice Quiz
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1
Single-subject designs are adaptations of
A)true experimental designs.
B)counterbalanced designs.
C)time-series designs.
D)static group designs.
2
The "A" in the A-B design usually refers to
A)the baseline condition.
B)the first of two treatment conditions.
C)the first of two study participants.
D)the pretest.
3
Which of the following designs would usually be used only when an individual's behavior is very severe before the study begins?
A)A-B
B)A-B-A
C)B-A-B
D)multiple-baseline
4
Suppose that a researcher employs the A-B-A design to determine the effect of monetary rewards on the behavior of a child. Which of the following would most threaten the internal validity of the study?
A)increasing the length of the baseline
B)including verbal praise for good behavior during B
C)leaving the child in a base line condition
D)increasing the length of the intervention phase
5
If a multiple-baseline design is used to study the effects of a treatment on the academic achievement of four students, the researcher should
A)begin the intervention at a different time for each student.
B)slightly alter the treatment provided to each student.
C)verify that the students have the same aptitude.
D)implement the intervention for two of the four students.
6
The primary mode for establishing external validity with single-subject studies is with
A)replication.
B)a lengthy baseline phase.
C)a lengthy intervention phase.
D)a return to baseline after the intervention.
7
Which of the following designs qualifies as an alternating treatment design?
A)B-A-B
B)A-B-A-B
C)A-B-A-C-A
D)A-B-C-B-C
8
One of the threats that an A-B-A-B design suffers from is
A)data collector bias.
B)history.
C)maturation.
D)subject characteristics.
9
Which design involves a treatment, followed by a baseline, followed by a return to the treatment?
A)A-B-C-B-C
B)B-A-B
C)A-B-A-B
D)A-B
10
Which design involves a baseline followed by a treatment?
A)B-A-B
B)A-B-A-B
C)A-B
D)A-B-C-B-C
11
Which design combines two baseline periods with two treatment periods?
A)A-B-A-B
B)B-A-B
C)A-B-C-B-C
D)A-B
12
Single-subject study designs are most effective in controlling for which of the following threats?
A)instrument decay
B)testing
C)implementation
D)attitudinal
13
Single-subject study designs are least effective in controlling for which of the following threats?
A)data collector characteristics
B)mortality
C)history
D)subject characteristics
14
An advantage of single-subject designs is
A)it is a convenient design.
B)there are no threats.
C)they are easy to generalize from.
D)that they can be applied in settings where group designs are difficult to put into play.
15
In the A-B-C-B, design the "C" refers to
A)an intervention.
B)a variation of the intervention.
C)a baseline.
D)the variation of the baseline.





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