Question 1

The alternative hypothesis in a one-way repeated ANOVA is _____.

Accepted Answer

A)  all the population means are equal
B)  all the population means are not equal
C)  some of the population means are equal
D)  some of the population means are not equal B

Question 2

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

Accepted Answer

normality

Question 3

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

Accepted Answer

A) True 
 B)False  False

Question 4

If the assumption of sphericity is violated in a repeated measures design,an adjustment factor can be used to obtain new degrees of freedom for

Accepted Answer

A)  IV.
B)  Error.
C)  both IV and Error.
D)  none of these

Question 5

The source of variability that reflects the influence of the independent variable is called the sum of squares ____________________.

Accepted Answer

The answer of The source of variability that reflects the...

Question 6

Compare the different sums of squares for a repeated measures design with the sums of squares for a between-subjects design.

Accepted Answer

The answer of Compare the different sums of squares for...

Question 7

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

Question 8

When a _____ design is used,it is not possible to estimate the effects of disturbance variables due to individual differences.

Accepted Answer

A)  within-subjects
B)  between-subjects

Question 9

When comparing a between-subjects design with a repeated design,the between-subjects design will ____ powerful than the repeated design.

Accepted Answer

A)  always be less
B)  usually be less
C)  always be more
D)  usually be more

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:  
 
In your ANOVA summary table,the ______ source reflects variability in maze completion time (the dependent variable.that is due to disturbance variables such as individual differences;the purpose of partitioning this source of variability is to ______.

Accepted Answer

A)  IV;test your null hypothesis
B)  Error;use it as the denominator in the F ratio
C)  Across Subjects;use it as the denominator in the F ratio
D)  Across Subjects;separate it from other sources of error

Question 11

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 IV?

Accepted Answer

A)  139.73
B)  71.33
C)  68.40
D)  2.40

Question 12

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

Question 13

When a repeated measures design is used,the influence of individual differences cannot be estimated or statistically removed from the dependent variable.

Accepted Answer

A) True 
 B)False

Question 14

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 15

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:  
 
If you found the F ratio to equal exactly 1.00,what would this tell you?

Accepted Answer

A)  The differences you observed were only due to sampling error
B)  H0 should be rejected
C)  There are substantial differences among the group means
D)  both a and b

Question 16

The one-way repeated measures analysis of variance is used under the same conditions as one-way between-subjects analysis of variance except that the independent variable is within-subjects in nature rather than between-subjects in nature.

Accepted Answer

A) True 
 B)False

Question 17

Power tables are helpful to researchers in that,when the value of a population eta-squared and the desired power level is known they provide

Accepted Answer

A)  the number of participants needed for an individual study.
B)  the critical value needed for the Tukey HSD test.
C)  the eta-squared that will be obtained in an individual study.
D)  the number of participants needed to obtain a particular eta-squareD.

Question 18

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

Accepted Answer

A) True 
 B)False

Question 19

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

Question 20

What does the mean square subjects contribute to the F test?

Accepted Answer

The answer of What does the mean square subjects contribute...

Exam 13: One-Way Repeated Measures Analysis of Variance

The alternative hypothesis in a one-way repeated ANOVA is _____.

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

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

If the assumption of sphericity is violated in a repeated measures design,an adjustment factor can be used to obtain new degrees of freedom for

The source of variability that reflects the influence of the independent variable is called the sum of squares ____________________.

Compare the different sums of squares for a repeated measures design with the sums of squares for a between-subjects design.

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

When a _____ design is used,it is not possible to estimate the effects of disturbance variables due to individual differences.

When comparing a between-subjects design with a repeated design,the between-subjects design will ____ powerful than the repeated design.

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 IV?

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 _____.

When a repeated measures design is used,the influence of individual differences cannot be estimated or statistically removed from the dependent variable.

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 one-way repeated measures analysis of variance is used under the same conditions as one-way between-subjects analysis of variance except that the independent variable is within-subjects in nature rather than between-subjects in nature.

Power tables are helpful to researchers in that,when the value of a population eta-squared and the desired power level is known they provide

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

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.

What does the mean square subjects contribute to the F test?

Exam 13: One-Way Repeated Measures Analysis of Variance

The alternative hypothesis in a one-way repeated ANOVA is _____.

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

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

If the assumption of sphericity is violated in a repeated measures design,an adjustment factor can be used to obtain new degrees of freedom for

The source of variability that reflects the influence of the independent variable is called the sum of squares ____________________.

Compare the different sums of squares for a repeated measures design with the sums of squares for a between-subjects design.

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

When a _____ design is used,it is not possible to estimate the effects of disturbance variables due to individual differences.

When comparing a between-subjects design with a repeated design,the between-subjects design will ____ powerful than the repeated design.

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 IV?

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 _____.

When a repeated measures design is used,the influence of individual differences cannot be estimated or statistically removed from the dependent variable.

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 one-way repeated measures analysis of variance is used under the same conditions as one-way between-subjects analysis of variance except that the independent variable is within-subjects in nature rather than between-subjects in nature.

Power tables are helpful to researchers in that,when the value of a population eta-squared and the desired power level is known they provide

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

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.

What does the mean square subjects contribute to the F 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 sum of squares IV?

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 _____.