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Inferential Statistics

Quiz by Amie Harris

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22 questions
Show answers
  • Q1
    If I carried out a study using an unrelated measures design and nominal data, which statistical test would I use?
    Wilcoxon
    Mann Whitney
    Chi square
    Sign Test
    30s
  • Q2
    If I carried out a study were I used a correlation and both co-variables collected interval data, which statistical test would I use?
    Pearsons
    Binomial
    Wilcoxon
    Mann Whitney
    30s
  • Q3
    If I calculated an observed value of 3.22 and found a critical value of 4.89 for a Chi-Square test. Would it be significant or not?
    significant
    not significant
    30s
  • Q4
    How is degrees of freedom calculated for Chi-square
    number of participants - 1
    (number of rows - 1) x (number of columns -1)
    (number of rows - 1) + (number of columns -1)
    30s
  • Q5
    If I calculated an observed value of 6.62 and found a critical value of 3.34 for a Wilcoxon test. Would it be significant or not?
    significant
    not significant
    30s
  • Q6
    If I calculated an observed value of 7.98 and found a critical value of 7.66 for a Spearman's rho test. Would it be significant or not?
    not significant
    significant
    30s
  • Q7
    How do you find the critical value for Mann Whitney U
    you calculate degrees of freedom
    number of participants - 1
    you find the number of differences between conditions
    number of participants for each condition
    30s
  • Q8
    How do you find the CRITICAL value for a Sign test?
    you find the total number of participants
    you calculate degrees of freedom
    you find the number of participants that show a difference (ignore ppts with no difference)
    30s
  • Q9
    Which test am I? I test for a difference between two sets of scores. I am used where data is interval and I am used where the data is unrelated.
    Wilcoxon
    Pearson's r
    Unrelated t test
    Related t test
    30s
  • Q10
    Which test am I? I am a test for the difference between two sets of scores. I am used where data is interval and I am used where the data is related.
    Pearson's r
    Related t test
    Spearman's rho
    Chi-square
    30s
  • Q11
    Which test am I? I use a correlational design, I look for a relationship and I collect interval data for each co-variable.
    Pearson's r
    Unrelated t test
    Mann Whitney
    Sign test
    30s
  • Q12
    Which test am I? I look for a difference between sets of scores. I collect ordinal data and I use a repeated measures design.
    Chi-square
    Wilcoxon
    Sign test
    Unrelated t test
    30s
  • Q13
    Which test am I? I collect nominal data, I look for a difference and I use an unrelated design.
    Sign Test
    Chi-square
    Spearmans
    Pearson's r
    30s
  • Q14
    Students want to investigate the correlation between happiness scores and how many friends people have on Facebook. Identify the correct statistical test
    Related t test
    Spearman's rho
    Wilcoxon
    Sign test
    30s
  • Q15
    A researcher wants to investigate whether reaction times increase after a person is given a dose of caffeine equivalent to three cups of coffee. The participant’s base reaction times are compared with those 30 minutes after the caffeine intake. Identify the correct statistical test.
    Related t test
    Chi-square
    Mann Whitney
    Unrelated t test
    30s

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