Ssci Ch 8 Quiz

15 Questions

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Questions and Answers
  • 1. 
    You were asked to participate in an experiment to test the effectiveness of review sessions on exam grades. As a research methods student, you concluded that you had been assigned to the control group because you simply took the scheduled exams. Since you were in the control group you simply gave up and quit studying. This exemplifies:
    • A. 

      Compensation

    • B. 

      Maturation

    • C. 

      Experimental mortality

    • D. 

      Demoralization

    • E. 

      The testing effect

  • 2. 
    The classical experimental design:
    • A. 

      Helps guard against the sources of external invalidity

    • B. 

      Cannot guard against the sources of either internal or external invalidity

    • C. 

      What it helps guard against depends upon the particular experiment

    • D. 

      Helps guard against the sources of internal invalidity

    • E. 

      Helps guard against the sources of internal and external validity

  • 3. 
    Without randomly assigning subjects, a researcher administers the experimental stimulus to the experimental group and then measures the dependent variable in both the experimental and control groups. This design is known as the:
    • A. 

      Posttest-only control group design

    • B. 

      Static-group design

    • C. 

      One-shot case study

    • D. 

      Classical experimental design

    • E. 

      One-group pretest-posttest design

  • 4. 
    Experiments are especially appropriate for research projects involving all of the following EXCEPT:
    • A. 

      Small-group interaction

    • B. 

      Hypothesis testing

    • C. 

      Descriptive research

    • D. 

      Explanatory research

    • E. 

      The testing of relatively limited and well-defined concepts and propositions

  • 5. 
    Which of the following experimental designs have the least explanatory power compared to the others?
    • A. 

      Solomon four-group design

    • B. 

      One-shot case study

    • C. 

      Posttest-only control group design

    • D. 

      Classical experimental design

    • E. 

      All experimental designs have equal explanatory power

  • 6. 
    The Solomon four-group design:
    • A. 

      Combines the static-group comparison design with the one-group pretest-posttest design

    • B. 

      Combines the classical experimental design with the posttest-only control group design

    • C. 

      Combines the classical experimental design with the static-group comparison design

    • D. 

      Combines the classical experimental design with the pretest-only control group design

    • E. 

      None of these choices are correct

  • 7. 
    The experimental and control groups should be comparable on:
    • A. 

      Age, education, and ethnicity

    • B. 

      Variables that are likely to be related to the dependent variable under study

    • C. 

      All of these choices

    • D. 

      All demographic variables

    • E. 

      Variables that are likely to be related to the independent variable under study

  • 8. 
    In Professor John’s three week experiment, the control group has realized that the experimental group is being exposed to lavish lunches as part of the experiment, while they are stuck with plain microwaved meals. In protest, they have decided to stop full participation. Which form of internal invalidity does Professor John have to worry about?
    • A. 

      Selection biases

    • B. 

      Statistical regression

    • C. 

      Experimental mortality

    • D. 

      Maturation

    • E. 

      Demoralization

  • 9. 
    The question of internal validity refers to:
    • A. 

      The determination of the proper time to do the post-test

    • B. 

      The determination of the proper time to do the pretest

    • C. 

      Whether the experimental stimulus really affected the dependent variable

    • D. 

      The comparison of the results obtained for the experimental group with those obtained for the control group

    • E. 

      Generalizability

  • 10. 
    An instrumentation effect occurs when:
    • A. 

      There is a change on the dependent variable from the pretest score to the posttest score

    • B. 

      All of these choices indicate an instrumentation effect

    • C. 

      The instrument employed for the pretest has an effect that shows up on the posttest

    • D. 

      The measurement instrument is changed from the pretest to the posttest

    • E. 

      The stimulus is changed from the pretest to the posttest

  • 11. 
    The difference between the experimental and control group should be:
    • A. 

      The experimental group receives the independent variable and the control group does not

    • B. 

      The control group receives the dependent variable and the experimental group does not

    • C. 

      The experimental group receives the dependent variable and the control group does not

    • D. 

      The control group receives the independent variable and the experimental group does not

    • E. 

      Nothing since both receive the independent variable

  • 12. 
    Jimmy’s experiment requires him to tell subjects that they will be working in pairs to solve a problem when in reality he does not care about problem-solving. Jimmy is really observing the nonverbal communication between two people who do not know each other.
    • A. 

      Jimmy must tell the subjects that he plans to observe their nonverbal communications

    • B. 

      All of these choices are TRUE

    • C. 

      Jimmy needs to determine whether deception is essential to the experiment

    • D. 

      Jimmy is intruding on the lives of his subjects

    • E. 

      Jimmy is deceiving his subjects

  • 13. 
    • A. 

      Selection biases

    • B. 

      Testing

    • C. 

      History

    • D. 

      The researcher failed to control for all of these choices

    • E. 

      Maturation

  • 14. 
    A friend of yours, a senior, took the Graduate Record Exam in September and scored in the 99th percentile. In February, your friend took the same exam over again. This time your friend scored in the 90th percentile. As a research methods student, you told your friend that his/her lowered score was most likely due to:
    • A. 

      compensation rivalry

    • B. 

      Demoralization

    • C. 

      Differential selection

    • D. 

      Testing

    • E. 

      Statistical regression

  • 15. 
    Among the requirements for the classical experimental design is a post-test measurement of the:
    • A. 

      Dependent variable for both the experimental and control groups

    • B. 

      Independent variable for the experimental group only

    • C. 

      Independent variable for the control group only

    • D. 

      Dependent variable for the experimental group only

    • E. 

      Independent variable for both the experimental and control groups