Question 1

ÓX2 = 704 (ÓX)2 = 8464 ÓTj2 =3178
ÓX = 92 k=3 N = 5 Ósi2 = 1898
Based on the summary values given earlier,what is the value of eta2?

Accepted Answer

A) .51 
B) .97 
C) .86 
D) .59 
A) .51 
B) .97 
C) .86 
D) .59

Question 2

Under what circumstances might repeated measures analysis of variance actually be less powerful than between-subjects analysis of variance?

Accepted Answer

The degrees of freedom for the denominat

Question 3

In the one-way repeated measures analysis of variance,the F ratio is calculated by dividing the MSIV by the ____________________.

Accepted Answer

Question 4

The F ratio for a one-way repeated measures analysis of variance is MSIV divided by MSSUBJECTS.

Accepted Answer

A) True 
 B)False

Question 5

A biopsychologist is interested in studying the effects of marijuana on cognitive skills by studying a group of 7 rats.He puts each rat in a maze and measures the time it takes the rat (in minutes)to find the cheese at the end of the maze.He then puts a mask on the rat and has it inhale marijuana smoke for 5 seconds.He then puts the rat back in the maze,and records its time to reach the cheese.Twenty minutes later he puts the rat back in the maze to test for lasting effects of the drug.The tables below summarize the data and part of the data analysis:   
  
What is the MSError?

Accepted Answer

A) 3.62 
B) 16.62 
C) 4.59 
D) 139.81 
A) 3.62 
B) 16.62 
C) 4.59 
D) 139.81

Question 6

When is the one-way repeated measures analysis of variance typically used to analyze the relationship between two variables?

Accepted Answer

The one-way repeated measures analysis o

Question 7

Unless one is confident on theoretical grounds that sphericity holds,it is probably best to apply the appropriate correction to the degrees of freedom via the _____ procedure.

Accepted Answer

A) Huynh-Feldt 
B) Greenhouse-Geisser 
C) Mauchly 
D) modified Bonferroni 
A) Huynh-Feldt 
B) Greenhouse-Geisser 
C) Mauchly 
D) modified Bonferroni

Question 8

When sphericity is violated in a one-way within subjects ANOVA design,how do you proceed?

Accepted Answer

A) Explore other methods of analyzing the data besides ANOVA,because ANOVA won't work properly. 
B) Interpret the Greenhouse-Geisser and/or Huynh-Feldt statistics,because they adjust for lack of sphericity. 
C) Use a more liberal (i.e.,higher)alpha level to compensate for the violation. 
D) Collect more data. 
A) Explore other methods of analyzing the data besides ANOVA,because ANOVA won't work properly. 
B) Interpret the Greenhouse-Geisser and/or Huynh-Feldt statistics,because they adjust for lack of sphericity. 
C) Use a more liberal (i.e.,higher)alpha level to compensate for the violation. 
D) Collect more data.

Question 9

The most frequently used adjustment factors for violations of the sphericity assumption (Huynh-Feldt epsilon and Greenhouse-Geisser)both result in degrees of freedom that are ____________________ the original degrees of freedom.

Accepted Answer

less than

Question 10

A biopsychologist is interested in studying the effects of marijuana on cognitive skills by studying a group of 7 rats.He puts each rat in a maze and measures the time it takes the rat (in minutes)to find the cheese at the end of the maze.He then puts a mask on the rat and has it inhale marijuana smoke for 5 seconds.He then puts the rat back in the maze,and records its time to reach the cheese.Twenty minutes later he puts the rat back in the maze to test for lasting effects of the drug.The tables below summarize the data and part of the data analysis:   
  
Based on the F ratio you just computed and the appropriate critical value (3.88),your decision would be to _______,suggesting that ______ a statistically significant effect of marijuana on the time it takes rats to complete the maze.

Accepted Answer

A) reject H0;there is 
B) reject H0;there is not 
C) not reject H0;there is 
D) not reject H0;there is not 
A) reject H0;there is 
B) reject H0;there is not 
C) not reject H0;there is 
D) not reject H0;there is not

Question 11

ÓX2 = 704 (ÓX)2 = 8464 ÓTj2 =3178
ÓX = 92 k=3 N = 5 Ósi2 = 1898
Based on the summary values given above and your responses to Questions 13-19,what is the value of F?

Accepted Answer

A) 4.17 
B) .24 
C) 27.67 
D) 7.43 
A) 4.17 
B) .24 
C) 27.67 
D) 7.43

Question 12

If the assumption of sphericity is satisfied,the Tukey HSD test cannot be used to discern the nature of the relationship in a one-way repeated measures analysis of variance.

Accepted Answer

A) True 
 B)False

Question 13

Why is a repeated measures analysis of variance usually a more sensitive test of the relationship between the independent and dependent variables than is a between-
subjects analysis of variance?

Accepted Answer

When a between-subjects design is used,e

Question 14

You carried out a study where you tested the effectiveness of a new therapy technique at reducing anxiety.You identified a group of high-anxiety individuals,and you measured their anxiety before therapy,immediately after therapy,and at two follow-up sessions 1 month and 2 months after the therapy is concluded.High scores on the anxiety measure are scaled to reflect relatively higher levels of anxiety.Here is the hypothetical data from SPSS output.   
  
Which of the following phrases would NOT be an appropriate way of describing this design?

Accepted Answer

A) One-way repeated measures design. 
B) One-way within-subjects design. 
C) One-way between-subjects design. 
A) One-way repeated measures design. 
B) One-way within-subjects design. 
C) One-way between-subjects design.

Question 15

In the summary table of a one-way repeated ANOVA,______ degrees of freedom values and _____ F values are recorded.

Accepted Answer

A) 3;2 
B) 2;3 
C) 4;1 
D) 1;4 
A) 3;2 
B) 2;3 
C) 4;1 
D) 1;4

Question 16

The function of the sum of squares subjects is to remove variability due to _____ from the dependent variable so that a more sensitive test of the relationship between the independent and dependent variables can be performed.

Accepted Answer

A) treatment effects 
B) individual differences 
C) group differences 
D) none of these 
A) treatment effects 
B) individual differences 
C) group differences 
D) none of these

Question 17

The mean square across subjects does not directly figure in the F test constituting the hypothesis testing procedure and,thus,is not typically calculated.

Accepted Answer

A) True 
 B)False

Question 18

In a one-way repeated measures analysis of variance,the total variability in the dependent variable across all individuals and all conditions can be represented by the sum of squares total.

Accepted Answer

A) True 
 B)False

Question 19

In the one-way repeated measures ANOVA summary table,the _____ source reflects variability in the dependent variable that is due to individual differences.The purpose of partitioning this source of variability is to _____.

Accepted Answer

A) IV;test your null hypothesis 
B) Across subjects;use it as the denominator in the F ratio 
C) Error;use it as the denominator in the F ratio 
D) Across subjects;exclude it from the denominator in the F ratio 
A) IV;test your null hypothesis 
B) Across subjects;use it as the denominator in the F ratio 
C) Error;use it as the denominator in the F ratio 
D) Across subjects;exclude it from the denominator in the F ratio

Question 20

Among the alternatives to the traditional F test when the sphericity assumption is violated,two of the most frequently encountered adjustment factors are the Huyhn-Feldt epsilon and the Greenhouse-Geisser epsilon.

Accepted Answer

A) True 
 B)False

ÓX² = 704 (ÓX)²= 8464 ÓT_j²=3178 ÓX = 92 k=3 N = 5 Ós_i² = 1898 Based on the summary values given earlier,what is the value of eta²?

Under what circumstances might repeated measures analysis of variance actually be less powerful than between-subjects analysis of variance?

In the one-way repeated measures analysis of variance,the F ratio is calculated by dividing the MS_IV by the ____________________.

The F ratio for a one-way repeated measures analysis of variance is MS_IV divided by MS_SUBJECTS.

When is the one-way repeated measures analysis of variance typically used to analyze the relationship between two variables?

Unless one is confident on theoretical grounds that sphericity holds,it is probably best to apply the appropriate correction to the degrees of freedom via the _____ procedure.

When sphericity is violated in a one-way within subjects ANOVA design,how do you proceed?

The most frequently used adjustment factors for violations of the sphericity assumption (Huynh-Feldt epsilon and Greenhouse-Geisser)both result in degrees of freedom that are ____________________ the original degrees of freedom.

ÓX² = 704 (ÓX)²= 8464 ÓT_j²=3178 ÓX = 92 k=3 N = 5 Ós_i² = 1898 Based on the summary values given above and your responses to Questions 13-19,what is the value of F?

If the assumption of sphericity is satisfied,the Tukey HSD test cannot be used to discern the nature of the relationship in a one-way repeated measures analysis of variance.

Why is a repeated measures analysis of variance usually a more sensitive test of the relationship between the independent and dependent variables than is a between- subjects analysis of variance?

In the summary table of a one-way repeated ANOVA,__ degrees of freedom values and _ F values are recorded.

The function of the sum of squares subjects is to remove variability due to _____ from the dependent variable so that a more sensitive test of the relationship between the independent and dependent variables can be performed.

The mean square across subjects does not directly figure in the F test constituting the hypothesis testing procedure and,thus,is not typically calculated.

In a one-way repeated measures analysis of variance,the total variability in the dependent variable across all individuals and all conditions can be represented by the sum of squares total.

In the one-way repeated measures ANOVA summary table,the _ source reflects variability in the dependent variable that is due to individual differences.The purpose of partitioning this source of variability is to _.

Among the alternatives to the traditional F test when the sphericity assumption is violated,two of the most frequently encountered adjustment factors are the Huyhn-Feldt epsilon and the Greenhouse-Geisser epsilon.

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

Pearson Correlation and Regression: Inferential Aspects

Chi-Square Test

Nonparametric Statistics

Two-Way Between-Subjects Analysis of Variance

Overview and Extension: Statistical Tests for More Complex Designs

Filters

Exam 13: One-Way Repeated Measures Analysis of Variance

ÓX2 = 704 (ÓX)2 = 8464 ÓTj2 =3178 ÓX = 92 k=3 N = 5 Ósi2 = 1898 Based on the summary values given earlier,what is the value of eta2?

Under what circumstances might repeated measures analysis of variance actually be less powerful than between-subjects analysis of variance?

In the one-way repeated measures analysis of variance,the F ratio is calculated by dividing the MSIV by the ____________________.

The F ratio for a one-way repeated measures analysis of variance is MSIV divided by MSSUBJECTS.

When is the one-way repeated measures analysis of variance typically used to analyze the relationship between two variables?

Unless one is confident on theoretical grounds that sphericity holds,it is probably best to apply the appropriate correction to the degrees of freedom via the _____ procedure.

When sphericity is violated in a one-way within subjects ANOVA design,how do you proceed?

The most frequently used adjustment factors for violations of the sphericity assumption (Huynh-Feldt epsilon and Greenhouse-Geisser)both result in degrees of freedom that are ____________________ the original degrees of freedom.

ÓX2 = 704 (ÓX)2 = 8464 ÓTj2 =3178 ÓX = 92 k=3 N = 5 Ósi2 = 1898 Based on the summary values given above and your responses to Questions 13-19,what is the value of F?

If the assumption of sphericity is satisfied,the Tukey HSD test cannot be used to discern the nature of the relationship in a one-way repeated measures analysis of variance.

Why is a repeated measures analysis of variance usually a more sensitive test of the relationship between the independent and dependent variables than is a between- subjects analysis of variance?

In the summary table of a one-way repeated ANOVA,______ degrees of freedom values and _____ F values are recorded.

The function of the sum of squares subjects is to remove variability due to _____ from the dependent variable so that a more sensitive test of the relationship between the independent and dependent variables can be performed.

The mean square across subjects does not directly figure in the F test constituting the hypothesis testing procedure and,thus,is not typically calculated.

In a one-way repeated measures analysis of variance,the total variability in the dependent variable across all individuals and all conditions can be represented by the sum of squares total.

In the one-way repeated measures ANOVA summary table,the _____ source reflects variability in the dependent variable that is due to individual differences.The purpose of partitioning this source of variability is to _____.

Among the alternatives to the traditional F test when the sphericity assumption is violated,two of the most frequently encountered adjustment factors are the Huyhn-Feldt epsilon and the Greenhouse-Geisser epsilon.

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

Pearson Correlation and Regression: Inferential Aspects

Chi-Square Test

Nonparametric Statistics

Two-Way Between-Subjects Analysis of Variance

Overview and Extension: Statistical Tests for More Complex Designs

Filters

ÓX² = 704 (ÓX)²= 8464 ÓT_j²=3178 ÓX = 92 k=3 N = 5 Ós_i² = 1898 Based on the summary values given earlier,what is the value of eta²?

In the one-way repeated measures analysis of variance,the F ratio is calculated by dividing the MS_IV by the ____________________.

The F ratio for a one-way repeated measures analysis of variance is MS_IV divided by MS_SUBJECTS.

ÓX² = 704 (ÓX)²= 8464 ÓT_j²=3178 ÓX = 92 k=3 N = 5 Ós_i² = 1898 Based on the summary values given above and your responses to Questions 13-19,what is the value of F?

In the summary table of a one-way repeated ANOVA,__ degrees of freedom values and _ F values are recorded.

In the one-way repeated measures ANOVA summary table,the _ source reflects variability in the dependent variable that is due to individual differences.The purpose of partitioning this source of variability is to _.