24 Questions
Which test is used to determine if the homogeneity of variance assumption is met?
Levene’s test
What is the nonparametric equivalent of the independent samples t-test?
Wilcoxon test
What visual method is used for testing the normality assumption?
Histogram
Which test is a generalisation of the Wilcoxon test for comparing three or more groups?
Kruskal-Wallis test
What is the effect size reported for the Wilcoxon test?
r value
What does the Kruskal-Wallis test indicate if the p-value is less than 0.001?
There is a significant difference in performance between the groups
What is the main reason researchers tend to prefer parametric tests over nonparametric tests?
Parametric tests are more powerful
What is the primary concern with unequal group sizes in statistical analysis?
It can be particularly problematic if the assumption of homogeneity of variance is violated
What is the essential part of the analysis that makes the mean important in t-tests and ANOVA?
Central tendency of the distribution
What statistic is used to test for normality assumption?
Shapiro-Wilk test
What is the nonparametric equivalent of ANOVA?
Kruskal-Wallis test
What is the primary reason nonparametric alternatives are less preferred than parametric tests?
They are less powerful
Which statistical test is appropriate for comparing the academic performance of male and female high school students when they are in separate groups?
Independent samples t-test
Which statistical test is suitable for comparing perfectionism ratings pre and post mindfulness intervention when participants are in both groups?
Related samples t-test
Which statistical test is used for comparing performance on a measure of cognitive functioning among participants assigned to three different test conditions?
Univariate Analysis of Variance (ANOVA)
What is a key assumption for both t-tests and ANOVA?
The dependent variable is normally distributed
Which of the following is NOT an assumption for t-tests and ANOVA?
The groups have different means
Which distribution is characterized by values being close to the mean and symmetrical?
Normal distribution
In which type of distribution are most values not close to the mean?
Skewed distribution
What is the term for the assumption that the variances of the groups are approximately equal?
Homogeneity of variance
Which test relies on the assumption of homogeneity of variance?
t-tests
What is the term for the type of test that relies on important assumptions about the nature of the data being analyzed?
Parametric test
What is the term for a symmetrical distribution of values?
Normal distribution
What type of distribution is characterized by a constant probability?
Uniform distribution
Test your critical reading skills with this Cornell Notes quiz on group comparisons. Explore the differences in academic performance between male and female high school students using the independent samples t-test method. Enhance your understanding of data comparison and analysis in academic research.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
