Question 1

In a one-way repeated measures ANOVA,which of the following sums of squares reflects the influence of individual differences?

Accepted Answer

A) SSBETWEEN 
B) SSERROR 
C) SSACROSS SUBJECTS 
D) SSWITHIN 
A) SSBETWEEN 
B) SSERROR 
C) SSACROSS SUBJECTS 
D) SSWITHIN

Question 2

The one-way repeated measures analysis of variance is an extension of the independent groups t test.

Accepted Answer

A) True 
 B)False

Question 3

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

Accepted Answer

A) 33.2 
B) 1.2 
C) 35.47 
D) 8.55 
A) 33.2 
B) 1.2 
C) 35.47 
D) 8.55

Question 4

In order to test the null hypothesis of equivalent population means,it is necessary to calculate mean squares for the IV,error,and across subjects components.

Accepted Answer

A) True 
 B)False

Question 5

The F test is robust to violations of the _____ assumption.

Accepted Answer

A) independent sampling 
B) random sampling 
C) sphericity 
D) normality 
A) independent sampling 
B) random sampling 
C) sphericity 
D) normality

Question 6

When reporting an F ratio,it is conventional to present the degrees of freedom IV
followed by the degrees of freedom error.

Accepted Answer

A) True 
 B)False

Question 7

The one-way repeated measures analysis of variance is appropriate when the dependent variable is qualitative or categorical.

Accepted Answer

A) True 
 B)False

Question 8

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

Accepted Answer

A) 139.73 
B) 71.93 
C) 68.40 
D) 2.40 
A) 139.73 
B) 71.93 
C) 68.40 
D) 2.40

Question 9

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 10

Although the F test is robust to violations of the sphericity assumption,it is not robust to violations of the normality assumption.

Accepted Answer

A) True 
 B)False

Question 11

The Mauchly test for sphericity has been found to be a poor test of the sphericity assumption.

Accepted Answer

A) True 
 B)False

Question 12

Randomly ordering the conditions for each subject is particularly valuable when the number of _____ is so great that counterbalancing is impossible.

Accepted Answer

A) effects 
B) variables 
C) subjects 
D) conditions 
A) effects 
B) variables 
C) subjects 
D) conditions

Question 13

Given a q value of 4.6,N=5,MSERROR = 2.4,and condition sample means of 6.89,11.00,and 5.2,you could conclude that _____.

Accepted Answer

A) condition 1 has a statistically significantly higher mean than condition 2 and 3,which are not statistically significantly different from each other 
B) condition 2 has a statistically significant higher mean than condition 3,but there are no other statistically significant differences 
C) there are no statistically significant differences between the means of any of the conditions 
D) condition 2 has a statistically significantly higher mean than condition 1,and condition 1 has a statistically significantly higher mean than condition 3 
A) condition 1 has a statistically significantly higher mean than condition 2 and 3,which are not statistically significantly different from each other 
B) condition 2 has a statistically significant higher mean than condition 3,but there are no other statistically significant differences 
C) there are no statistically significant differences between the means of any of the conditions 
D) condition 2 has a statistically significantly higher mean than condition 1,and condition 1 has a statistically significantly higher mean than condition 3

Question 14

If the assumption of sphericity is not met,then the _____ procedure is used to evaluate the nature of the relationship.

Accepted Answer

A) Huynh-Feldt 
B) modified Bonferroni 
C) Mauchly 
D) Tukey HS 
A) Huynh-Feldt 
B) modified Bonferroni 
C) Mauchly 
D) Tukey HS

Question 15

The degrees of freedom for the denominator of the F test will always be _____ in the repeated measures case than in the between-subjects case.

Accepted Answer

A) less 
B) larger 
C) more accurate 
D) none of these 
A) less 
B) larger 
C) more accurate 
D) none of these

Question 16

The sum of squares error is conceptually equivalent to the "sum of squares within groups" in the one-way between-subjects analysis of variance.

Accepted Answer

A) True 
 B)False

Question 17

A researcher conducts a study on the effectiveness of a physical activity program in motivating people to engage in physical activity on a long term basis.This researcher tests her participants physical activity levels at four time points: pretest,posttest,six month follow-up,and one year follow-up.Which of the following statistical tests would be most appropriate for the analysis of the data?

Accepted Answer

A) one-way repeated measures analysis of variance 
B) two-way mixed model analysis of variance 
C) correlated groups t test 
D) independent groups t test 
A) one-way repeated measures analysis of variance 
B) two-way mixed model analysis of variance 
C) correlated groups t test 
D) independent groups t test

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

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

Accepted Answer

A) True 
 B)False

Question 20

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.   
  
According to the main ANOVA analysis,how should the results be described (assume an alpha level of .05)?

Accepted Answer

A) The effect of the new therapy technique was statistically significant but its effect size was weak. 
B) The effect of the new therapy technique was statistically significant and the effect size was strong. 
C) The effect of the new therapy technique was not statistically significant,but the size of the effect suggests this may be due to low power. 
A) The effect of the new therapy technique was statistically significant but its effect size was weak. 
B) The effect of the new therapy technique was statistically significant and the effect size was strong. 
C) The effect of the new therapy technique was not statistically significant,but the size of the effect suggests this may be due to low power.

In a one-way repeated measures ANOVA,which of the following sums of squares reflects the influence of individual differences?

The one-way repeated measures analysis of variance is an extension of the independent groups t test.

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

In order to test the null hypothesis of equivalent population means,it is necessary to calculate mean squares for the IV,error,and across subjects components.

The F test is robust to violations of the _____ assumption.

When reporting an F ratio,it is conventional to present the degrees of freedom IV followed by the degrees of freedom error.

The one-way repeated measures analysis of variance is appropriate when the dependent variable is qualitative or categorical.

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

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?

Although the F test is robust to violations of the sphericity assumption,it is not robust to violations of the normality assumption.

The Mauchly test for sphericity has been found to be a poor test of the sphericity assumption.

Randomly ordering the conditions for each subject is particularly valuable when the number of _____ is so great that counterbalancing is impossible.

Given a q value of 4.6,N=5,MS_ERROR = 2.4,and condition sample means of 6.89,11.00,and 5.2,you could conclude that _____.

If the assumption of sphericity is not met,then the _____ procedure is used to evaluate the nature of the relationship.

The degrees of freedom for the denominator of the F test will always be _____ in the repeated measures case than in the between-subjects case.

The sum of squares error is conceptually equivalent to the "sum of squares within groups" in the one-way between-subjects analysis of variance.

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.

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

Introduction and Mathematical Preliminaries

Frequency and Probability Distributions

Measures of Central Tendency and Variability

Percentiles,percentile Ranks,standard Scores,and the Normal Distribution

Pearson Correlation and Regression: Descriptive Aspects

Probability

Estimation and Sampling Distributions

Hypothesis Testing: Inferences About a Single Mean

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 12: One-Way Repeated Measures Analysis of Variance

In a one-way repeated measures ANOVA,which of the following sums of squares reflects the influence of individual differences?

The one-way repeated measures analysis of variance is an extension of the independent groups t test.

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

In order to test the null hypothesis of equivalent population means,it is necessary to calculate mean squares for the IV,error,and across subjects components.

The F test is robust to violations of the _____ assumption.

When reporting an F ratio,it is conventional to present the degrees of freedom IV followed by the degrees of freedom error.

The one-way repeated measures analysis of variance is appropriate when the dependent variable is qualitative or categorical.

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

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?

Although the F test is robust to violations of the sphericity assumption,it is not robust to violations of the normality assumption.

The Mauchly test for sphericity has been found to be a poor test of the sphericity assumption.

Randomly ordering the conditions for each subject is particularly valuable when the number of _____ is so great that counterbalancing is impossible.

Given a q value of 4.6,N=5,MSERROR = 2.4,and condition sample means of 6.89,11.00,and 5.2,you could conclude that _____.

If the assumption of sphericity is not met,then the _____ procedure is used to evaluate the nature of the relationship.

The degrees of freedom for the denominator of the F test will always be _____ in the repeated measures case than in the between-subjects case.

The sum of squares error is conceptually equivalent to the "sum of squares within groups" in the one-way between-subjects analysis of variance.

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.

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

Introduction and Mathematical Preliminaries

Frequency and Probability Distributions

Measures of Central Tendency and Variability

Percentiles,percentile Ranks,standard Scores,and the Normal Distribution

Pearson Correlation and Regression: Descriptive Aspects

Probability

Estimation and Sampling Distributions

Hypothesis Testing: Inferences About a Single Mean

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 above,what is the value of the mean square error?

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

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?

Given a q value of 4.6,N=5,MS_ERROR = 2.4,and condition sample means of 6.89,11.00,and 5.2,you could conclude that _____.

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