Question 1

In a one-way repeated measures analysis of variance,the sum of squares error reflects the influence of disturbance variables and individual differences.

Accepted Answer

A) True 
 B)False

Question 2

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

Question 3

The mean square error in the repeated measures case will tend to be _____ than the mean square within in the between-subjects case.

Accepted Answer

A) smaller 
B) larger 
C) equal to 
D) more biased

Question 4

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 correct interpretation of the eta-squared?

Accepted Answer

A) There is a strong effect of the marijuana and this effect occurs immediately following inhalation of the marijuanA. 
B) There is a strong effect of the marijuana,however we don't know the nature of the relationship. 
C) There is only a weak effect of marijuana on time of maze completion. 
D) There is a moderate effect of marijuana on time of maze completion.

Question 5

If the assumption of sphericity is satisfied,then the nature of the relationship following a statistically significant one-way repeated measures analysis of variance can be addressed with the _____ test.

Accepted Answer

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

Question 6

Nullified scores cannot be generated when a within-subjects independent variable has more than two levels.

Accepted Answer

A) True 
 B)False

Question 7

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

Question 8

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

Accepted Answer

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

Question 9

An alternative to counterbalancing as a means of controlling confounding variables is to _____ the conditions for each subject.

Accepted Answer

A) systematically order 
B) randomly order 
C) carefully order 
D) selectively order

Question 10

Eta2 reflects the proportion of variance in the dependent variable associated with the _____ after variability due to _____ has been removed.

Accepted Answer

A) independent variable;individual differences 
B) individual differences;independent variable 
C) independent variable;error 
D) individual differences;error

Question 11

The sum of squares IV 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 12

The sum of squares across subjects is a feature that differentiates the between-subjects and the repeated measures analysis of variance.

Accepted Answer

A) True 
 B)False

Question 13

How is the total variability in the dependent variable partitioned in a repeated measures design?

Accepted Answer

The answer of How is the total variability in the...

Question 14

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 15

For sample sizes larger than _____,the Type I error rate remains near the specified alpha level even in the face of marked _____.

Accepted Answer

A) 10;non-normality 
B) 30;non-normality 
C) 100;sphericity 
D) 30;sphericity

Question 16

As with the sum of squares,the degrees of freedom are additive,such that dfTOTAL = dfIV + dfACROSS SUBJECTS + dfERROR.

Accepted Answer

A) True 
 B)False

Question 17

For an alpha level of .05,the critical value of F with 2 and 8 degrees of freedom is 4.46;therefore,we ______the null hypothesis with an F value equal to that found in Question 20 and conclude that _____ between treatments and the dependent variable.

Accepted Answer

A) reject;no relationship exists 
B) fail to reject;no relationship exists 
C) reject;a relationship exists 
D) fail to reject;a relationship exists

Question 18

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

Accepted Answer

A) True 
 B)False

Question 19

In a one-way repeated measures analysis of variance with four levels of the IV,if you obtained a statistically significant F ratio,you would need to conduct the Tukey HSD test.How many pairs of comparisons would you need to make?

Accepted Answer

A) 2 
B) 3 
C) 4 
D) 6

Question 20

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 MSIV?

Accepted Answer

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

Exam 13: One-Way Repeated Measures Analysis of Variance

In a one-way repeated measures analysis of variance,the sum of squares error reflects the influence of disturbance variables and individual differences.

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?

The mean square error in the repeated measures case will tend to be _____ than the mean square within in the between-subjects case.

If the assumption of sphericity is satisfied,then the nature of the relationship following a statistically significant one-way repeated measures analysis of variance can be addressed with the _____ test.

Nullified scores cannot be generated when a within-subjects independent variable has more than two levels.

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

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

An alternative to counterbalancing as a means of controlling confounding variables is to _____ the conditions for each subject.

Eta² reflects the proportion of variance in the dependent variable associated with the _ after variability due to _ has been removed.

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

The sum of squares across subjects is a feature that differentiates the between-subjects and the repeated measures analysis of variance.

How is the total variability in the dependent variable partitioned in a repeated measures design?

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

For sample sizes larger than _,the Type I error rate remains near the specified alpha level even in the face of marked _.

As with the sum of squares,the degrees of freedom are additive,such that df_TOTAL = df_IV + df_{ACROSS SUBJECTS} + df_ERROR.

For an alpha level of .05,the critical value of F with 2 and 8 degrees of freedom is 4.46;therefore,we __the null hypothesis with an F value equal to that found in Question 20 and conclude that _ between treatments and the dependent variable.

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

In a one-way repeated measures analysis of variance with four levels of the IV,if you obtained a statistically significant F ratio,you would need to conduct the Tukey HSD test.How many pairs of comparisons would you need to make?

Exam 13: One-Way Repeated Measures Analysis of Variance

In a one-way repeated measures analysis of variance,the sum of squares error reflects the influence of disturbance variables and individual differences.

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?

The mean square error in the repeated measures case will tend to be _____ than the mean square within in the between-subjects case.

If the assumption of sphericity is satisfied,then the nature of the relationship following a statistically significant one-way repeated measures analysis of variance can be addressed with the _____ test.

Nullified scores cannot be generated when a within-subjects independent variable has more than two levels.

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

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

An alternative to counterbalancing as a means of controlling confounding variables is to _____ the conditions for each subject.

Eta2 reflects the proportion of variance in the dependent variable associated with the _____ after variability due to _____ has been removed.

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

The sum of squares across subjects is a feature that differentiates the between-subjects and the repeated measures analysis of variance.

How is the total variability in the dependent variable partitioned in a repeated measures design?

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

For sample sizes larger than _____,the Type I error rate remains near the specified alpha level even in the face of marked _____.

As with the sum of squares,the degrees of freedom are additive,such that dfTOTAL = dfIV + dfACROSS SUBJECTS + dfERROR.

For an alpha level of .05,the critical value of F with 2 and 8 degrees of freedom is 4.46;therefore,we ______the null hypothesis with an F value equal to that found in Question 20 and conclude that _____ between treatments and the dependent variable.

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

In a one-way repeated measures analysis of variance with four levels of the IV,if you obtained a statistically significant F ratio,you would need to conduct the Tukey HSD test.How many pairs of comparisons would you need to make?

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?

Eta² reflects the proportion of variance in the dependent variable associated with the _ after variability due to _ has been removed.

For sample sizes larger than _,the Type I error rate remains near the specified alpha level even in the face of marked _.

As with the sum of squares,the degrees of freedom are additive,such that df_TOTAL = df_IV + df_{ACROSS SUBJECTS} + df_ERROR.

For an alpha level of .05,the critical value of F with 2 and 8 degrees of freedom is 4.46;therefore,we __the null hypothesis with an F value equal to that found in Question 20 and conclude that _ between treatments and the dependent variable.