Question 1

The sum of the ranks for a given group,Rj,is known as the R statistic.

Accepted Answer

A) True 
 B)False

Question 2

If one wishes to compare medians across groups,then a parametric test should be pursued.

Accepted Answer

A) True 
 B)False

Question 3

The strength of the relationship following a statistically significant _____ can be analyzed using epsilon squared.

Accepted Answer

A) Wilcoxon signed-rank test 
B) Kruskal-Wallis test 
C) Spearman rank-order correlation 
D) Mann-Whitney U test 
E) Wilcoxon rank sum test 
A) Wilcoxon signed-rank test 
B) Kruskal-Wallis test 
C) Spearman rank-order correlation 
D) Mann-Whitney U test 
E) Wilcoxon rank sum test

Question 4

One factor that is important in deciding whether to use a parametric or non-parametric test is the decision about what aspect of the distribution of the independent variable one wishes to focus on.

Accepted Answer

A) True 
 B)False

Question 5

In cases where a tie occurs in rank scores,the tied scores are discarded.

Accepted Answer

A) True 
 B)False

Question 6

Following a significant Mann-Whitney U test,the strength of the relationship between two variables may be measured using ____.

Accepted Answer

A) Glass rank biserial correlation coefficient 
B) matched-pairs rank biserial correlation coefficient 
C) epsilon-squared 
D) Dunn's procedure 
A) Glass rank biserial correlation coefficient 
B) matched-pairs rank biserial correlation coefficient 
C) epsilon-squared 
D) Dunn's procedure

Question 7

Nonparametric tests can not be used to analyze quantitative variables that are measured on an ordinal level.

Accepted Answer

A) True 
 B)False

Question 8

What is the rank transformation approach?

Accepted Answer

The rank transformation approa

Question 9

In the Wilcoxon sign-rank test,the strength of the relationship can be measured with the matched-pairs rank biserial correlation coefficient.How is the calculated value interpreted for the strength of the relationship?

Accepted Answer

A) The coefficient is interpreted the same way as the values for Epsilon-squared. 
B) The coefficient is interpreted the same way as the values for omega-squared. 
C) The coefficient is interpreted the same way as the values for eta-squared. 
D) The coefficient is interpreted the same way as the Pearson correlation coefficient. 
A) The coefficient is interpreted the same way as the values for Epsilon-squared. 
B) The coefficient is interpreted the same way as the values for omega-squared. 
C) The coefficient is interpreted the same way as the values for eta-squared. 
D) The coefficient is interpreted the same way as the Pearson correlation coefficient.

Question 10

Most parametric tests focus on differences between ____ and their corresponding nonparametric tests focus on differences between ____.

Accepted Answer

A) population means;distributions of scores 
B) distributions of scores;population means 
C) population means;population means 
D) distributions of scores;distributions of scores 
A) population means;distributions of scores 
B) distributions of scores;population means 
C) population means;population means 
D) distributions of scores;distributions of scores

Question 11

The Kruskal-Wallis test is the nonparametric counterpart of the:

Accepted Answer

A) one-way repeated measures analysis of variance 
B) one-way between-subjects analysis of variance 
C) independent groups t test 
D) correlated groups t test 
A) one-way repeated measures analysis of variance 
B) one-way between-subjects analysis of variance 
C) independent groups t test 
D) correlated groups t test

Question 12

The _____ involves converting a set of scores on a variable to ranks and then analyzing these rank scores using the traditional parametric formulas.

Accepted Answer

A) rank order approach 
B) rank transformation approach 
C) parametric approach 
D) traditional approach 
A) rank order approach 
B) rank transformation approach 
C) parametric approach 
D) traditional approach

Question 13

The nature of the relationship following a statistically significant _____can be analyzed using the Dunn procedure.

Accepted Answer

A) Wilcoxon signed-rank test 
B) Kruskal-Wallis test 
C) Spearman rank-order correlation 
D) Mann-Whitney U test 
E) Wilcoxon rank sum test 
A) Wilcoxon signed-rank test 
B) Kruskal-Wallis test 
C) Spearman rank-order correlation 
D) Mann-Whitney U test 
E) Wilcoxon rank sum test

Question 14

The null hypothesis of the Wilcoxon signed-rank test can be stated in words as follows:

Accepted Answer

A) The rank sum for each group will be equal,and any differences are due to sampling error. 
B) The expected value for each rank sum will be equal to the average of the rank sums for the positive and negative differences. 
C) The expected value for difference scores will be less than the average of the rank sums for the positive and negative differences 
D) The rank sum for each group will be less than the total rank sum. 
A) The rank sum for each group will be equal,and any differences are due to sampling error. 
B) The expected value for each rank sum will be equal to the average of the rank sums for the positive and negative differences. 
C) The expected value for difference scores will be less than the average of the rank sums for the positive and negative differences 
D) The rank sum for each group will be less than the total rank sum.

Question 15

A researcher examined the relationship between gender and attitudes toward drinking alcohol.The researcher obtained the following data:  
What is the U value for group 2?

Accepted Answer

A) 7.5 
B) 10.5 
C) -7.5 
D) -10.5 
A) 7.5 
B) 10.5 
C) -7.5 
D) -10.5

Question 16

Regardless of whether the Wilcoxon rank sum test or the Mann-Whitney U test is used,the strength of the relationship between the two variables cannot be determined.

Accepted Answer

A) True 
 B)False

Question 17

The Wilcoxon signed-rank test is typically used to analyze the relationship between two variables when:

Accepted Answer

A) scores on the dependent variable are in the form of ranked differences 
B) the independent variable is within-subjects in nature 
C) the independent variable has two and only two levels 
D) all of these 
A) scores on the dependent variable are in the form of ranked differences 
B) the independent variable is within-subjects in nature 
C) the independent variable has two and only two levels 
D) all of these

Question 18

A researcher examined the relationship between gender and attitudes toward drinking alcohol.The researcher obtained the following data:  
What is the U statistic for this data set?

Accepted Answer

A) 7.5 
B) 10.5 
C) -7.5 
D) -10.5 
A) 7.5 
B) 10.5 
C) -7.5 
D) -10.5

Question 19

What is meant by the phrase "outlier resistant"?

Accepted Answer

A benefit of many nonparametric statisti

Question 20

The nature of the relationship between the two variables for the Wilcoxon signed-rank test is addressed by inspection of the:

Accepted Answer

A) rank sums 
B) sum of squared ranks 
C) mean ranks 
D) group means 
A) rank sums 
B) sum of squared ranks 
C) mean ranks 
D) group means

The sum of the ranks for a given group,R_j,is known as the R statistic.

If one wishes to compare medians across groups,then a parametric test should be pursued.

The strength of the relationship following a statistically significant _____ can be analyzed using epsilon squared.

One factor that is important in deciding whether to use a parametric or non-parametric test is the decision about what aspect of the distribution of the independent variable one wishes to focus on.

In cases where a tie occurs in rank scores,the tied scores are discarded.

Following a significant Mann-Whitney U test,the strength of the relationship between two variables may be measured using ____.

Nonparametric tests can not be used to analyze quantitative variables that are measured on an ordinal level.

What is the rank transformation approach?

In the Wilcoxon sign-rank test,the strength of the relationship can be measured with the matched-pairs rank biserial correlation coefficient.How is the calculated value interpreted for the strength of the relationship?

Most parametric tests focus on differences between and their corresponding nonparametric tests focus on differences between .

The Kruskal-Wallis test is the nonparametric counterpart of the:

The _____ involves converting a set of scores on a variable to ranks and then analyzing these rank scores using the traditional parametric formulas.

The nature of the relationship following a statistically significant _____can be analyzed using the Dunn procedure.

The null hypothesis of the Wilcoxon signed-rank test can be stated in words as follows:

A researcher examined the relationship between gender and attitudes toward drinking alcohol.The researcher obtained the following data: What is the U value for group 2?

Regardless of whether the Wilcoxon rank sum test or the Mann-Whitney U test is used,the strength of the relationship between the two variables cannot be determined.

The Wilcoxon signed-rank test is typically used to analyze the relationship between two variables when:

A researcher examined the relationship between gender and attitudes toward drinking alcohol.The researcher obtained the following data: What is the U statistic for this data set?

What is meant by the phrase "outlier resistant"?

The nature of the relationship between the two variables for the Wilcoxon signed-rank test is addressed by inspection of the:

Introduction and Mathematical Preliminaries

Frequency and Probability Distributions

Percentiles percentile Ranks standard Scores and the Normal Distribution

Pearson Correlation and Regression: Descriptive Aspects

Measures of Central Tendency and Variability

Estimation and Sampling Distributions

Hypothesis Testing: Inferences About a Single Mean

Probability

Principles of Research Design and Statistical Preliminaries for Analyzing Bivariate Relationships

Independent Groups T -Test

Correlated Groups T-Test

One-Way Repeated Measures Analysis of Variance

Pearson Correlation and Regression: Inferential Aspects

Chi-Square Test

Two-Way Between-Subjects Analysis of Variance

Overview and Extension: Statistical Tests for More Complex Designs

Filters

Exam 16: Nonparametric Statistics

The sum of the ranks for a given group,Rj,is known as the R statistic.

If one wishes to compare medians across groups,then a parametric test should be pursued.

The strength of the relationship following a statistically significant _____ can be analyzed using epsilon squared.

One factor that is important in deciding whether to use a parametric or non-parametric test is the decision about what aspect of the distribution of the independent variable one wishes to focus on.

In cases where a tie occurs in rank scores,the tied scores are discarded.

Following a significant Mann-Whitney U test,the strength of the relationship between two variables may be measured using ____.

Nonparametric tests can not be used to analyze quantitative variables that are measured on an ordinal level.

What is the rank transformation approach?

In the Wilcoxon sign-rank test,the strength of the relationship can be measured with the matched-pairs rank biserial correlation coefficient.How is the calculated value interpreted for the strength of the relationship?

Most parametric tests focus on differences between ____ and their corresponding nonparametric tests focus on differences between ____.

The Kruskal-Wallis test is the nonparametric counterpart of the:

The _____ involves converting a set of scores on a variable to ranks and then analyzing these rank scores using the traditional parametric formulas.

The nature of the relationship following a statistically significant _____can be analyzed using the Dunn procedure.

The null hypothesis of the Wilcoxon signed-rank test can be stated in words as follows:

A researcher examined the relationship between gender and attitudes toward drinking alcohol.The researcher obtained the following data: What is the U value for group 2?

Regardless of whether the Wilcoxon rank sum test or the Mann-Whitney U test is used,the strength of the relationship between the two variables cannot be determined.

The Wilcoxon signed-rank test is typically used to analyze the relationship between two variables when:

A researcher examined the relationship between gender and attitudes toward drinking alcohol.The researcher obtained the following data: What is the U statistic for this data set?

What is meant by the phrase "outlier resistant"?

The nature of the relationship between the two variables for the Wilcoxon signed-rank test is addressed by inspection of the:

Introduction and Mathematical Preliminaries

Frequency and Probability Distributions

Percentiles percentile Ranks standard Scores and the Normal Distribution

Pearson Correlation and Regression: Descriptive Aspects

Measures of Central Tendency and Variability

Estimation and Sampling Distributions

Hypothesis Testing: Inferences About a Single Mean

Probability

Principles of Research Design and Statistical Preliminaries for Analyzing Bivariate Relationships

Independent Groups T -Test

Correlated Groups T-Test

One-Way Repeated Measures Analysis of Variance

Pearson Correlation and Regression: Inferential Aspects

Chi-Square Test

Two-Way Between-Subjects Analysis of Variance

Overview and Extension: Statistical Tests for More Complex Designs

Filters

The sum of the ranks for a given group,R_j,is known as the R statistic.

Most parametric tests focus on differences between and their corresponding nonparametric tests focus on differences between .