Podcast
Questions and Answers
Which test is used to determine if the homogeneity of variance assumption is met?
Which test is used to determine if the homogeneity of variance assumption is met?
- Shapiro-Wilk test
- Kruskal-Wallis test
- Wilcoxon test
- Levene’s test (correct)
What is the nonparametric equivalent of the independent samples t-test?
What is the nonparametric equivalent of the independent samples t-test?
- Shapiro-Wilk test
- Levene’s test
- Wilcoxon test (correct)
- Kruskal-Wallis test
What visual method is used for testing the normality assumption?
What visual method is used for testing the normality assumption?
- Bar chart
- Box plot
- Histogram (correct)
- Scatter plot
Which test is a generalisation of the Wilcoxon test for comparing three or more groups?
Which test is a generalisation of the Wilcoxon test for comparing three or more groups?
What is the effect size reported for the Wilcoxon test?
What is the effect size reported for the Wilcoxon test?
What does the Kruskal-Wallis test indicate if the p-value is less than 0.001?
What does the Kruskal-Wallis test indicate if the p-value is less than 0.001?
What is the main reason researchers tend to prefer parametric tests over nonparametric tests?
What is the main reason researchers tend to prefer parametric tests over nonparametric tests?
What is the primary concern with unequal group sizes in statistical analysis?
What is the primary concern with unequal group sizes in statistical analysis?
What is the essential part of the analysis that makes the mean important in t-tests and ANOVA?
What is the essential part of the analysis that makes the mean important in t-tests and ANOVA?
What statistic is used to test for normality assumption?
What statistic is used to test for normality assumption?
What is the nonparametric equivalent of ANOVA?
What is the nonparametric equivalent of ANOVA?
What is the primary reason nonparametric alternatives are less preferred than parametric tests?
What is the primary reason nonparametric alternatives are less preferred than parametric tests?
Which statistical test is appropriate for comparing the academic performance of male and female high school students when they are in separate groups?
Which statistical test is appropriate for comparing the academic performance of male and female high school students when they are in separate groups?
Which statistical test is suitable for comparing perfectionism ratings pre and post mindfulness intervention when participants are in both groups?
Which statistical test is suitable for comparing perfectionism ratings pre and post mindfulness intervention when participants are in both groups?
Which statistical test is used for comparing performance on a measure of cognitive functioning among participants assigned to three different test conditions?
Which statistical test is used for comparing performance on a measure of cognitive functioning among participants assigned to three different test conditions?
What is a key assumption for both t-tests and ANOVA?
What is a key assumption for both t-tests and ANOVA?
Which of the following is NOT an assumption for t-tests and ANOVA?
Which of the following is NOT an assumption for t-tests and ANOVA?
Which distribution is characterized by values being close to the mean and symmetrical?
Which distribution is characterized by values being close to the mean and symmetrical?
In which type of distribution are most values not close to the mean?
In which type of distribution are most values not close to the mean?
What is the term for the assumption that the variances of the groups are approximately equal?
What is the term for the assumption that the variances of the groups are approximately equal?
Which test relies on the assumption of homogeneity of variance?
Which test relies on the assumption of homogeneity of variance?
What is the term for the type of test that relies on important assumptions about the nature of the data being analyzed?
What is the term for the type of test that relies on important assumptions about the nature of the data being analyzed?
What is the term for a symmetrical distribution of values?
What is the term for a symmetrical distribution of values?
What type of distribution is characterized by a constant probability?
What type of distribution is characterized by a constant probability?
