Research Sampling Methods Quiz

10 Questions | Total Attempts: 30

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Research Sampling Methods Quiz

A quiz on the sampling methods of research. You can play the quiz to test your knowledge on the various sampling methods and get your score.


Questions and Answers
  • 1. 
    Which of the following is not an advantage of Snowball Sampling?
    • A. 

      Useful in specific circumstances.

    • B. 

      Useful for locating rare populations.

    • C. 

      Low cost.

    • D. 

      Selection bias is minimized.

  • 2. 
    Which of the following pairs correctly describe the type of data and its method?
    • A. 

      BMI in groups : Histogram

    • B. 

      Age groups : Box plots.

    • C. 

      BMI in kg/m2 by gender : Mean and SD by gender

    • D. 

      Age in years : Frequency distribution

  • 3. 
    Which of the following is the best example of categorical value?
    • A. 

      Number of episodes of disease in a patient over a year.

    • B. 

      Reduction in blood pressure following antihypertensive treatment.

    • C. 

      Serum bilirubin level (mmol/L).

    • D. 

      Severity of haemophilia (mild/moderate/severe).

  • 4. 
    1. Which can be the most reliable source of information for the literature review?
    • A. 

      A relevant chapter from a textbook

    • B. 

      A TV documentary

    • C. 

      A peer reviewed research article

    • D. 

      A newspaper article

  • 5. 
    What is the criteria for a SMART goal?
    • A. 

      Specific, measurable, achievable, relevant, time-bound

    • B. 

      Specific, measurable, appropriate, reliable, time-bound

    • C. 

      Simple, measurable, attainable, relevant, testable

    • D. 

      Simple, measurable, appropriate, relevant, testable

  • 6. 
    What does the null hypothesis in the chi-square test states?
    • A. 

      The rows and columns in the table are associated

    • B. 

      Neither of the two

    • C. 

      The rows and columns in the table are not associated

    • D. 

      Either of the two

  • 7. 
    Which of the following is NOT a reason for evaluating a questionnaire?
    • A. 

      To see if the questions are understood by the target population

    • B. 

      If the first five respondents fill in the questionnaire well you may not need to undertake a study with more people

    • C. 

      To help you decide on the best way to analyse the data

    • D. 

      To check that the responses you receive are what you need to answer your research question

  • 8. 
    Which of the following describes the type I error in hypothesis testing?
    • A. 

      Can be reduced by increasing power

    • B. 

      False negative

    • C. 

      Reject a true null hypothesis

    • D. 

      Failed to reject a false null hypothesis

  • 9. 
    Which of the following can be used for the analysis of mean differences in systolic blood pressure of male and female?
    • A. 

      Paired t-test

    • B. 

      Independent t-test

    • C. 

      One sample t-test

    • D. 

      One-way analysis of variance (ANOVA)

  • 10. 
    Which of the following statements is TRUE about sampling method?
    • A. 

      Probability sampling is every potential subject has equal chance of being chosen

    • B. 

      Random selection is used in quota sampling.

    • C. 

       Non probability sampling is a sampling method that allows to draw valid conclusions about population

    • D. 

      Stratified sampling does not use the random selection.

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