Inferential Statistics

Quiz by Amie Harris

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22 questions

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- Q1If I carried out a study using an unrelated measures design and nominal data, which statistical test would I use?WilcoxonMann WhitneyChi squareSign Test30s
- Q2If I carried out a study were I used a correlation and both co-variables collected interval data, which statistical test would I use?PearsonsBinomialWilcoxonMann Whitney30s
- Q3If 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?significantnot significant30s
- Q4How is degrees of freedom calculated for Chi-squarenumber of participants - 1(number of rows - 1) x (number of columns -1)(number of rows - 1) + (number of columns -1)30s
- Q5If 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?significantnot significant30s
- Q6If 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 significantsignificant30s
- Q7How do you find the critical value for Mann Whitney Uyou calculate degrees of freedomnumber of participants - 1you find the number of differences between conditionsnumber of participants for each condition30s
- Q8How do you find the CRITICAL value for a Sign test?you find the total number of participantsyou calculate degrees of freedomyou find the number of participants that show a difference (ignore ppts with no difference)30s
- Q9Which 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.WilcoxonPearson's rUnrelated t testRelated t test30s
- Q10Which 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 rRelated t testSpearman's rhoChi-square30s
- Q11Which test am I? I use a correlational design, I look for a relationship and I collect interval data for each co-variable.Pearson's rUnrelated t testMann WhitneySign test30s
- Q12Which test am I? I look for a difference between sets of scores. I collect ordinal data and I use a repeated measures design.Chi-squareWilcoxonSign testUnrelated t test30s
- Q13Which test am I? I collect nominal data, I look for a difference and I use an unrelated design.Sign TestChi-squareSpearmansPearson's r30s
- Q14Students want to investigate the correlation between happiness scores and how many friends people have on Facebook. Identify the correct statistical testRelated t testSpearman's rhoWilcoxonSign test30s
- Q15A 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 testChi-squareMann WhitneyUnrelated t test30s