Quantitative Research Methods

20 Questions | Total Attempts: 313

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Quantitative Research Methods

Quantitative Research Methods + UOPX RES750 material


Questions and Answers
  • 1. 
    A true, absolute zero exists for which level of measurement?
    • A. 

      Nominal

    • B. 

      Ordinal

    • C. 

      Interval

    • D. 

      Ratio

  • 2. 
    You spent 30% of your HR budget on benefits three years ago, 35% two years ago, and 40% last year. When was the most money spent on benefits?
    • A. 

      Three years ago

    • B. 

      Two years ago

    • C. 

      Last year

    • D. 

      It cannot be determined from the information provided

  • 3. 
    You have been given the task of examining the effect of a pay-for-performance project on employee productivity. You have obtained a “productivity rating score” for all program participants. Which of the following best describes your data?
    • A. 

      The data represent a sample.

    • B. 

      The data represent a population.

    • C. 

      Productivity rating scores only produce nominal data.

    • D. 

      Productivity rating scores always produce ordinaal data.

  • 4. 
    What is the mode for the following set of numbers? 15, 18, 13, 19, 25, 24, 26, 14, 25, 35, 12, 99, 54, 13, 22, 19 and 13
    • A. 

      19

    • B. 

      26

    • C. 

      24

    • D. 

      13

  • 5. 
    A range can best be described as which of the following?
    • A. 

      The central tendency of values between data points.

    • B. 

      The difference between the maximum and minimum value in a data set.

    • C. 

      A tool used to measure the difference in a data set based on the middle 50%.

    • D. 

      The only measure of variability appropriate for ratio data.

  • 6. 
    What type of regression model does the following equation suggest? y = a + b1x1
    • A. 

      Multiple factor regression.

    • B. 

      Nonlinear regression.

    • C. 

      Bivariate regression.

    • D. 

      Curvilinear regression.

  • 7. 
    How does quantitative research facilitate qualitative research?
    • A. 

      Quantitative research identifies the groups of people that must be interviewed.

    • B. 

      Quantitative research increases the chances that people will take part in an interview.

    • C. 

      Quantitative research balances positivist and post-positivist research approaches.

    • D. 

      Quantitative research balances positivist and post-positivist research approaches.

  • 8. 
    Which of the following correlations indicates the weakest relationship?
    • A. 

      +.10

    • B. 

      +.83

    • C. 

      -.74

    • D. 

      -.21

  • 9. 
    A statement that predicts a cause-and-effect relationship between variables is known as the _____________.
    • A. 

      Null hypothesis.

    • B. 

      Experimental hypothesis.

    • C. 

      Independent variable.

    • D. 

      Dependent variable.

  • 10. 
    What is the mean of the following numbers: 2, 7, 6, 5, 4, 2, 8, 9 ,1, 6
    • A. 

      2

    • B. 

      4

    • C. 

      5

    • D. 

      7

  • 11. 
    Correlation coefficient provides all of the following information, except :
    • A. 

      Whether or not there is a relationship between the variables.

    • B. 

      The strength of the relationship between the variables.

    • C. 

      The cause of the relationship between the variables.

    • D. 

      The direction of the relationship between the variables.

  • 12. 
    Another name for a bar graph is:
    • A. 

      Polygon

    • B. 

      Histogram

    • C. 

      Normal curve

    • D. 

      Line graph

  • 13. 
    A table that shows how often different scores appear in a set of scores is called a frequency:
    • A. 

      Polygon

    • B. 

      Histogram

    • C. 

      Normal curve

    • D. 

      Distribution

  • 14. 
    All the following are components required for estimating power (1-beta) of a study, EXCEPT
    • A. 

      The population effect size

    • B. 

      Sample size

    • C. 

      Level of significance (alpha)

    • D. 

      Standard deviation

  • 15. 
    When doing power analysis in ANOVA context, the estimate of effect size is
    • A. 

      Eta-squared

    • B. 

      Correlation coefficient

    • C. 

      Standard Error

    • D. 

      Chi-squire value

  • 16. 
    Analysis of Variance (ANOVA) test is used to
    • A. 

      Test the difference between two independent group means

    • B. 

      Test the difference between two related group means

    • C. 

      Test the difference among the means of 3+ independent groups

    • D. 

      Test the difference in ranks of scores of 3+ independent groups

  • 17. 
    Effect size is used to calculate:
    • A. 

      Reliability

    • B. 

      Sample size

    • C. 

      Internal consistency

    • D. 

      Predictive validity

  • 18. 
    The F-statistic is calculated in:
    • A. 

      ANOVA

    • B. 

      T-test

    • C. 

      Correlation analysis

    • D. 

      Chi-squire test

  • 19. 
    Which of the following is a nonparametric "Analysis of Variance"?
    • A. 

      Mann-Whitney U test

    • B. 

      Wilcoxon Rank test

    • C. 

      Kruskal-Wallis test

    • D. 

      Friedman's test

  • 20. 
    Chi-square test is used to test:
    • A. 

      Difference in proportions

    • B. 

      Difference in means of two independent variables

    • C. 

      Relationship between two bivariate variables

    • D. 

      Difference in means of three or more set of variables