practicetest3.key[1] - Practice Exam 3 KEY Psych 303 Winter...

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Practice Exam 3 KEY Psych 303 Winter 2008 1. A cognitive psychologist did an intensive study of a person who had suffered an unusual brain injury. Which of the following methods did the psychologist use? a. experimental method b. unipolar method c. singular method d. case study method 2. Luria’s study of “S” was detailed in a book called the Mind of the Mnemonist , this study a. proved that most people do not use their memory to its full extent. b. showed that journalists have better memories than most people. c. documented one case of a person with an extraordinary memory. d. demonstrated how simple techniques could be used to enhance everyone’s memory. 3. The distinguishing characteristic of the longitudinal survey design is that a. several samples from the same population are tested once. b. the sample size for each sample in the design is at least 500. c. there is at least a 1-month delay between successive administrations of the survey. d. the same sample of respondents is interviewed more than once. 4. Unless all the respondents in the original sample complete all phases of a longitudinal design, there is a possible problem due to a. selection bias. b. respondent mortality. c. projected data. d. data erosion. 5. If the residents, staff, and facilities of a nursing home where a quasi-experiment was done are likely to be different from those in other nursing homes, then the findings of the study are likely to lack a. reliability. b. external validity. c. statistical significance. d. internal validity. 1
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6. The effect of a treatment in a simple interrupted time-series design is indicated by a. a gradual change in the dependent variable that begins just before the treatment is implemented. b. a decreasing trend in the dependent variable that is present both before and after the treatment. c. an increasing trend in the dependent variable that is present both before and after the treatment. d. a clear discontinuity (abrupt increase or decrease) in the dependent variable at the point the treatment is administered. 7. Which of the following statements is true regarding the relative advantages of single-case experimental designs as compared to multiple-group designs in clinical research? a. Ethical problems arising from withholding a potentially beneficial treatment are less likely to arise in single-case designs than in multiple-group designs. b. Single-case designs are especially useful when research is directed toward changing the behavior of large groups of individuals. c. Multiple-group designs are more effective when an investigator in clinical research can gain access to only a small number of clients with a particular disorder. d. Single-case designs are effective in identifying what treatments "in general" should be applied to modify behavior, but it is not possible to specify what effect the treatment will have on any specific individual. 8.
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practicetest3.key[1] - Practice Exam 3 KEY Psych 303 Winter...

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