All About Inferential Statistical Tests

12 Questions | Total Attempts: 4209

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All About Inferential Statistical Tests - Quiz

This quiz will test students' knowledge of inferential statistical tests, including; - what they are used for - which one is the correct one to use - how to interpret the result - what this means for your hypothesis


Questions and Answers
  • 1. 
    What is the purpose of an inferential statistical test?
    • A. 

      To see if your results are accurate

    • B. 

      To check the probability of your results applying to the wider population

    • C. 

      To make sure you have not made a mistake in your data collection

  • 2. 
    True or false; inferential statistical tests only need to be carried out if the trend of your results goes the same way as your hypothesis.
    • A. 

      True

    • B. 

      False

  • 3. 
    A psychologist decides to test who is more likely to help a stranger in need; males or females.  A confederate asks both male and female passers by for 50p for a parking metre, as he has accidentally dropped his change down the street drain.  The researcher is observing to see who will help and records a tick for every male who helps, and a tck for every female who helps.  At the end of the research, the total number of ticks in each category are added up for comparison.   What kind of DATA has been collected? 
    • A. 

      Ordinal data

    • B. 

      Nominal data

    • C. 

      Correlational data

  • 4. 
    A psychologist decides to test who is more likely to help a stranger in need; males or females.  A confederate asks both male and female passers by for 50p for a parking metre, as he has accidentally dropped his change down the street drain.  The researcher is observing to see who will help and records a tick for every male who helps, and a tck for every female who helps.  At the end of the research, the total number of ticks in each category are added up for comparison.What kind of research DESIGN has been used?
    • A. 

      Matched participants

    • B. 

      Independent groups

    • C. 

      Repeated measures

  • 5. 
    A psychologist decides to test who is more likely to help a stranger in need; males or females.  A confederate asks both male and female passers by for 50p for a parking metre, as he has accidentally dropped his change down the street drain.  The researcher is observing to see who will help and records a tick for every male who helps, and a tck for every female who helps.  At the end of the research, the total number of ticks in each category are added up for comparison.Based on the information you have here, which is the most appropriate inferential statistical test to use?
    • A. 

      Mann Whitney

    • B. 

      Chi-Squared

    • C. 

      Wilcoxon Matched

  • 6. 
    Which of the following are examples of ordinal data?  Tick all answers that apply.
    • A. 

      The number of friends that participants have on Facebook

    • B. 

      The type of breakfast cereal that people prefer

    • C. 

      The number of questions correctly answered in a test

    • D. 

      The number of albums each person has on their I-Pod

    • E. 

      The type of pets people have (if any)

  • 7. 
    A psychology student is running an inferential statistical test on her data.  What level of statistical significance should she accept?
    • A. 

      0%

    • B. 

      5%

    • C. 

      10%

  • 8. 
    What is meant by p≤0.05?   
    • A. 

      That participants had an average score of 0.05

    • B. 

      The probability of results occuring by chance is equal to or less that 0.05

    • C. 

      There is a 0.05 chance that the results are wrong

  • 9. 
    What is meant by a Type 1 error?
    • A. 

      Rejecting a null hypothesis that is true

    • B. 

      Retaining a null hypothesis that is false

    • C. 

      Inputting your data inaccurately in a statistical test

  • 10. 
    Which type of inferential statistical test is suitable for correlational data?
    • A. 

      Mann Whiteney

    • B. 

      Spearmans Rho

    • C. 

      Chi-Squared

  • 11. 
    A psychology student has conducted a Mann Whitney test on his data.  The results show that the observed value is less than the critical value.  What should this student do?
    • A. 

      Accept the null hypothesis and reject the experimental hypothesis

    • B. 

      Reject the null hypothesis and accept the experimental hypothesis

    • C. 

      Re-write the hypothesis

  • 12. 
    Which of the following is a null hypothesis?
    • A. 

      There will be a difference between the length of time taken to complete a test online and the time taken to complete a test on paper.

    • B. 

      Tests completed online will be completed faster than tests completed on paper.

    • C. 

      There will be no difference between the length of time taken to complete tests online and tests completed on paper, and if there is it is due to chance.