One benefit of the alternating treatment design is that a. there are rarely carryover effects b....
One benefit of the alternating treatment design is that
a. there are rarely carryover effects
b. no baseline data are necessary
c. there is higher external validity than other designs
d. the need for researcher intervention is diminished
Homework Answers
b. no baseline data are necessary
Alternating Treatments Design • Alternating treatments with no baseline – Treatments are presented randomly to the subjects across different days, across times of day, or within sessions – Pre-intervention baseline data are not collected
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One benefit of the alternating treatment design is that
a. there are rarely carryover effects
b....
In an experiment with one factor and two levels, if each level has carryover effects (e.g.,...
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1. The pretest-posttest nonequivalent control group design is also very commonly used in psychology. Which of the following is NOT a benefit of using this design when random assignment is not possible...
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1. The pretest-posttest nonequivalent control group design is also very commonly used in psychology. Which of...
1. The pretest-posttest nonequivalent control group design is also very commonly used in psychology. Which of the following is NOT a benefit of using this design when random assignment is not possible: It reduces the threat of assignment bias It limits threats from time-related factors It provides some evidence of a potential cause-effect relationship It rules out differential history effects 2. Particularly when they do not include a control group, pre-post designs are most vulnerable to ____________-related threats to internal...
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please answer all 3 questions 5. Reducing the bandwidth in an RD design generally increases the internal validity of the resulting estimate, and generally: A. B. C. D. decreases the external valid...
please answer all 3 questions
5. Reducing the bandwidth in an RD design generally increases the internal validity of the resulting estimate, and generally: A. B. C. D. decreases the external validity decreases the precision of the estimate. decreases the standard error of the estimate. increases the likelihood that the parallel trends assumption holds. Which of the research designs that we studied requires that your data be a 6. panel or repeated/rolling cross-section? A. Random Assignment B. Instrumental Variables C....
1. Ifa study includes random assignment but not a control group, the design may still be...
1. Ifa study includes random assignment but not a control group, the design may still be considered to be a true experimental design. True a. b. False Using control groups help account for which of the following threats to internal validity except? 2. History a. b. Testing Maturation c. None of the above d. If the results of a study determine that an intervention did not work, though for reasons not related to the intervention, the 3. study would have...
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A researcher is interested in determining if a new intensive treatment program for high school st...
A researcher is interested in determining if a new intensive treatment program for high school students with alcohol abuse problems is effective. In order to recruit participants for this study, flyers are mailed to all families of high school students in the Northwest Arkansas area. Ninety-three families decide to participate in the study. To test the main research hypothesis, the families are randomly assigned to one of three groups, with the restriction that an equal number of families are in...
QUESTION 51 Externalities are 0 a. side effects passed on to a party other than the...
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A researcher is interested in determining if a new intensive treatment program for high school students...
A researcher is interested in determining if a new intensive treatment program for high school students with alcohol abuse problems is effective. In order to recruit participants for this study, flyers are mailed to all families of high school students in the Northwest Arkansas area. Ninetythree families decide to participate in the study. To test the main research hypothesis, the families are randomly assigned to one of three groups, with the restriction that an equal number of families are in...
please answer all 3 questions
5. Reducing the bandwidth in an RD design generally increases the internal validity of the resulting estimate, and generally: A. B. C. D. decreases the external validity decreases the precision of the estimate. decreases the standard error of the estimate. increases the likelihood that the parallel trends assumption holds. Which of the research designs that we studied requires that your data be a 6. panel or repeated/rolling cross-section? A. Random Assignment B. Instrumental Variables C....
1. Ifa study includes random assignment but not a control group, the design may still be considered to be a true experimental design. True a. b. False Using control groups help account for which of the following threats to internal validity except? 2. History a. b. Testing Maturation c. None of the above d. If the results of a study determine that an intervention did not work, though for reasons not related to the intervention, the 3. study would have...
6. Typically, when comparing a within-subjects design to a between-groups design which of the following describe their differences in error variance? a. Within-subjects designs results in less error variance than between-groups. b. A within-subjects design results in more error variance than a between-groups design. C. A within-subjects design results in the same amount of error variance as a between-groups design d. There is no error variance in a within-subjects design, whereas a between- groups design does present some error variance....
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