Statistics Practice Test Questions! Quiz

30 Questions | Total Attempts: 130

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Statistics Practice Test Questions! Quiz

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Questions and Answers
  • 1. 
    Which of the following are types of scales used in measurement issues
    • A. 

      Ordinal

    • B. 

      Nominal, interval

    • C. 

      Ratio

    • D. 

      All of the above

  • 2. 
    If one is concerned about exactly what a scale is measuring, then that reflects the issue of
    • A. 

      Reliability

    • B. 

      Validity

    • C. 

      Internal validity

    • D. 

      External validity

  • 3. 
    Saying that “depression is defined here as a Beck’s Depression Inventory score of 8 or higher” is an example of
    • A. 

      Reliability

    • B. 

      Internal validity

    • C. 

      Operationalization

    • D. 

      Construct validity

  • 4. 
    Concerns over-reactivity are greatest for ____ designs.
    • A. 

      Observational

    • B. 

      Survey

    • C. 

      Experimental

    • D. 

      Archival

  • 5. 
    Which of the following is an example of a “construct?”
    • A. 

      Depression

    • B. 

      Intelligence

    • C. 

      Anxiety

    • D. 

      All of the above are examples

  • 6. 
    Examining the “leftovers” of some behavior of interest is an example of:
    • A. 

      Archival research

    • B. 

      Naturalistic observation

    • C. 

      Reliability

    • D. 

      Behavioral products

  • 7. 
    Which of the following indicates the strongest relationship?
    • A. 

      R = -.87

    • B. 

      R = .28

    • C. 

      R = .69

    • D. 

      R = -.73

  • 8. 
    Saying that a correlation is “statistically significant” implies:
    • A. 

      That is sufficiently strong

    • B. 

      That the true value (rho) is unlikely zero

    • C. 

      That the relationship is positive rather than negative

    • D. 

      Variable variable variable the x variable causes the y variable

  • 9. 
    The main concern over “truncated range” in correlation is that the correlation value is:
    • A. 

      Equal to zero

    • B. 

      Likely to be negative

    • C. 

      Likely to be less than the true value (rho)

    • D. 

      All of the above

  • 10. 
    If self-esteem increases as depression decreases, this is an example of a _____ relationship.
    • A. 

      Positive

    • B. 

      Reliable

    • C. 

      Valid

    • D. 

      Negative

  • 11. 
    If you’re comparing two groups and you suspect that members of one group experienced something outside of experimental treatment, then you would be suspecting the influence of:
    • A. 

      Maturation

    • B. 

      Concurrent history

    • C. 

      Regression towards the mean

    • D. 

      Instrumentation

  • 12. 
    For which of the following designs would the testing effect be least likely to influence results:
    • A. 

      Posttest only control group design

    • B. 

      Pretest posttest control group design

    • C. 

      Solomon Four Group design

    • D. 

      All of the above are susceptible to testing effect

  • 13. 
    For experimental designs, external validity tends to be dealt with via:
    • A. 

      Random assignment of subjects to groups

    • B. 

      Choice of design

    • C. 

      Choice of subjects

    • D. 

      Replication

  • 14. 
    Subjects getting hungry and less attentive would be an example of:
    • A. 

      Concurrent history

    • B. 

      Instrumentation

    • C. 

      Maturation

    • D. 

      Testing effect

  • 15. 
    The major threat for quasi-experimental designs is:
    • A. 

      Selection bias

    • B. 

      Instrumentation

    • C. 

      Regression towards the mean

    • D. 

      Mortality

  • 16. 
    If one or more of your groups has unusually high or low scores, then you maybe risking the threat of:
    • A. 

      Selection bias

    • B. 

      Instrumentation

    • C. 

      Regression towards the mean

    • D. 

      Mortality

  • 17. 
    If you have an experiment with two IVs, then this would be a _______ design.
    • A. 

      Pretest posttest control group

    • B. 

      Solomon Four Group

    • C. 

      Posttest only control group

    • D. 

      Factorial

  • 18. 
    When the experimenter’s expectations potentially influence your results, this represents:
    • A. 

      Demand characteristics

    • B. 

      Experimenter bias

    • C. 

      Reactivity

    • D. 

      Subject error

  • 19. 
    One acceptable solution to demand characteristics would be:
    • A. 

      Distraction

    • B. 

      Concealment

    • C. 

      Deception

    • D. 

      All of the above

  • 20. 
    In the graph below, identify which of the following effects is present (put “yes” or “no” on each blank): IV1 _ IV2 _ IV1 X IV2 __  
  • 21. 
    If you're interested in a non-reactive design examining people's eating habits, you might consider doing a              study.
    • A. 

      Observational

    • B. 

      Experimental

    • C. 

      Behavioral products

    • D. 

      Quasi-experimental

  • 22. 
    When we're concerned about the consistency of some test or measure, we're concerned about:
    • A. 

      Reliability

    • B. 

      Validity

    • C. 

      Internal validity

    • D. 

      External validity

  • 23. 
    The design mean to show that change in the IV cause changes in the DV is:
    • A. 

      Correlational

    • B. 

      Quasi-experimental

    • C. 

      Experimental

    • D. 

      Observational

  • 24. 
    Defining some variable in terms of how it is measured is:
    • A. 

      Internal validity

    • B. 

      Operationalization

    • C. 

      Reliability

    • D. 

      Validity

  • 25. 
    Salary, is defined in terms of dollars earned per year, is an example of a            scale.
    • A. 

      Nominal

    • B. 

      Ordinal

    • C. 

      Interval

    • D. 

      Ratio

  • 26. 
    Z-score, where 0 refers to the average score, is an example of            scale.
    • A. 

      Nominal

    • B. 

      Ordinal

    • C. 

      Interval

    • D. 

      Ratio

  • 27. 
    Reactivity is mainly a problem for what type of design
    • A. 

      Experimental

    • B. 

      Quasi-experimental

    • C. 

      Observational

    • D. 

      All of the above

  • 28. 
    When one variable increases while the other decreases, that is an example of a           design.
    • A. 

      Direct

    • B. 

      Inverse

    • C. 

      Tolerant

    • D. 

      Invalid

  • 29. 
    If you do not have the full range of X or Y variables in a correlational design, then you run the risk of what problem?
    • A. 

      Truncated range

    • B. 

      Absolute value

    • C. 

      Inverse design

    • D. 

      All of the above

  • 30. 
    Variable that do not physically exist (e.g., depression) are called: 
    • A. 

      Independent Variables

    • B. 

      Dependent variables

    • C. 

      Invisible variables

    • D. 

      Constructs