1. In the A-B-A design, we determine whether the treatment, as opposed to some other variable, was responsible for any observed changes in behavior when there is continuation of the target behavior at its observed treatment level when the treatment is removed.
Answer
Correct Answer:
False
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2. It is problematic to demonstrate causality in quasi-experimental designs.
Answer
Correct Answer:
True
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3. The most common reason for the use of quasi-experimental research designs is that it is unethical to manipulate the independent variable.
Answer
Correct Answer:
False
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4. For a multiple-baseline design to demonstrate treatment effectiveness, the performance of each case must reverse its performance.
Answer
Correct Answer:
False
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5. In an interrupted time-series design, a treatment condition is assessed by comparing the pattern of pretest responses with the pattern of posttest responses obtained from a single.
Answer
Correct Answer:
True
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6. Justin is going through his own personal program of endurance training. In the first 2 weeks, he rewards himself with a quarter every day he runs a complete mile. In the next 2 weeks, he gives himself a quarter for every two consecutive miles run. Next, he gives himself a quarter for every three consecutive miles, and so on, increasing every 2 weeks the number of miles he must run for each quarter. By the end of the fall semester, Justin can run eight consecutive miles a day. This program is very much like which single-case research design?
Answer
Correct Answer:
Changing criterion design
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7. Ms. Vasquez has decided to address the amount of time students get out of their seats. She begins the intervention with Joe and the 4 weeks later she implements if Chandler, and after another 2 weeks she begins the intervention with Nancy. What type of design is she using?
Answer
Correct Answer:
Multiple-baseline design
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8. Which of the following designs always has multiple pretests and multiple posttests?
Answer
Correct Answer:
Interrupted time-series design
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9. Single-case designs are most closely related to which type of quasi-experimental design?
Answer
Correct Answer:
The interrupted time-series design
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10. Which of the following is NOT one of the requirements of the regression-discontinuity design?
Answer
Correct Answer:
The cutoff score should be located at one of the extreme ends of the distribution of scores on the preassignment measure.
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11. Of the threats to internal validity discussed in previous chapters, which is most likely a source of confounding in an interrupted time-series design?
Answer
Correct Answer:
History
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12. In which of the following designs is differential selection a threat to internal validity?
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14. What is the design consisting of a treatment group and an untreated comparison group, both of which are administered pretest and posttest measures? Furthermore, there is no random assignment to the groups.
