• Points30

 

• Questions10

 

• Time Limit45 Minutes

 

• Allowed AttemptsUnlimited

Instructions

The quiz:

• Covers the Textbookmaterial from Module 5: Week 5.
• Contains10 multiple-choice 
• Is limitedto 45 minutes.
• Allowsunlimited attempts and the highest attempt will count towards the grade.
• Is worth 30 points.

TAKE THE QUIZ AGAIN

Attempt History

	Attempt	Time	Score
KEPT	Attempt 3
LATEST	Attempt 3
	Attempt 2
	Attempt 1

 

 

Question 1

3 / 3 pts

The independent samples t-test is robust if which assumption is violated:

 

there is no homogeneity of variance

 

the outcome variable is not quantitative

 

the outcome variable is not normally distributed

 

the sample size is too small

 

Question 2

3 / 3 pts

If the Levene test yields a p value of greater than .05, we report:

 

the standard degrees of freedom

 

 

the adjusted degrees of freedom

 

 

the Levene z value

 

the Levene covariate

 

Question 3

3 / 3 pts

A single independent t test is used for:

 

determining the difference of one dependent variable between two levels of one independent variable

 

determining the difference of two dependent variables between two levels of one independent variable

 

determining the difference of two dependent variables between two levels of one independent variable

 

determining the difference between two independent variables on one dependent variable

 

 

Question 4

3 / 3 pts

_________ is an estimate of the magnitude of the difference between the means of two groups measured in standard deviation units.

 

Cohen’s d

 

t²

 

η²

 

β

 

Question 5

3 / 3 pts

For an independent t test the dependent variable should be:

 

normally distributed

 

 

categorical

 

 

platykurtic

 

 

leptokurtic

 

 

Question 6

3 / 3 pts

If the Levene test yields a p value of less than .05, we report:

 

the standard degrees of freedom

 

 

the adjusted degrees of freedom

 

 

the Levene z value

 

the Levene covariate

 

Question 7

3 / 3 pts

In SPSS, to conduct a independent-samples t test you must go to the main menu:

 

Analyze

 

 

Transform

 

 

t-tests

 

 

Graphs

 

 

Question 8

3 / 3 pts

A dichotomous variable has:

 

two unique values

 

 

two or more unique values

 

 

is quantitative

 

 

is continuous

 

 

IncorrectQuestion 9

0 / 3 pts

Which of the following is a range of possible values for a measure of effect size?

 

0%-100%

 

 

25%-50%

 

 

0%-95%

 

 

0%-5%

 

 

Question 10

3 / 3 pts

All of the following should be included in the Levene statistics statement in the writeup for a t test except:

 

implications of the Levene test

 

t value

 

F value

 

p value for Levene test

• Points30

 

• Questions10

 

• Time Limit45 Minutes

 

• Allowed AttemptsUnlimited

Instructions

The quiz:

• Covers the Textbookmaterial from Module 5: Week 5.
• Contains10 multiple-choice 
• Is limitedto 45 minutes.
• Allowsunlimited attempts and the highest attempt will count towards the grade.
• Is worth 30 points.

TAKE THE QUIZ AGAIN

Attempt History

	Attempt	Time	Score
KEPT	Attempt 3
LATEST	Attempt 3
	Attempt 2
	Attempt 1

 

 

Question 1

3 / 3 pts

The independent samples t-test is robust if which assumption is violated:

 

there is no homogeneity of variance

 

the outcome variable is not quantitative

 

the outcome variable is not normally distributed

 

the sample size is too small

 

Question 2

3 / 3 pts

If the Levene test yields a p value of greater than .05, we report:

 

the standard degrees of freedom

 

 

the adjusted degrees of freedom

 

 

the Levene z value

 

the Levene covariate

 

Question 3

3 / 3 pts

A single independent t test is used for:

 

determining the difference of one dependent variable between two levels of one independent variable

 

determining the difference of two dependent variables between two levels of one independent variable

 

determining the difference of two dependent variables between two levels of one independent variable

 

determining the difference between two independent variables on one dependent variable

 

 

Question 4

3 / 3 pts

_________ is an estimate of the magnitude of the difference between the means of two groups measured in standard deviation units.

 

Cohen’s d

 

t²

 

η²

 

β

 

Question 5

3 / 3 pts

For an independent t test the dependent variable should be:

 

normally distributed

 

 

categorical

 

 

platykurtic

 

 

leptokurtic

 

 

Question 6

3 / 3 pts

If the Levene test yields a p value of less than .05, we report:

 

the standard degrees of freedom

 

 

the adjusted degrees of freedom

 

 

the Levene z value

 

the Levene covariate

 

Question 7

3 / 3 pts

In SPSS, to conduct a independent-samples t test you must go to the main menu:

 

Analyze

 

 

Transform

 

 

t-tests

 

 

Graphs

 

 

Question 8

3 / 3 pts

A dichotomous variable has:

 

two unique values

 

 

two or more unique values

 

 

is quantitative

 

 

is continuous

 

 

IncorrectQuestion 9

0 / 3 pts

Which of the following is a range of possible values for a measure of effect size?

 

0%-100%

 

 

25%-50%

 

 

0%-95%

 

 

0%-5%

 

 

Question 10

3 / 3 pts

All of the following should be included in the Levene statistics statement in the writeup for a t test except:

 

implications of the Levene test

 

t value

 

F value

 

p value for Levene test

• Points30

 

• Questions10

 

• Time Limit45 Minutes

 

• Allowed AttemptsUnlimited

Instructions

The quiz:

• Covers the Textbookmaterial from Module 5: Week 5.
• Contains10 multiple-choice 
• Is limitedto 45 minutes.
• Allowsunlimited attempts and the highest attempt will count towards the grade.
• Is worth 30 points.

TAKE THE QUIZ AGAIN

Attempt History

	Attempt	Time	Score
KEPT	Attempt 3
LATEST	Attempt 3
	Attempt 2
	Attempt 1

 

 

Question 1

3 / 3 pts

The independent samples t-test is robust if which assumption is violated:

 

there is no homogeneity of variance

 

the outcome variable is not quantitative

 

the outcome variable is not normally distributed

 

the sample size is too small

 

Question 2

3 / 3 pts

If the Levene test yields a p value of greater than .05, we report:

 

the standard degrees of freedom

 

 

the adjusted degrees of freedom

 

 

the Levene z value

 

the Levene covariate

 

Question 3

3 / 3 pts

A single independent t test is used for:

 

determining the difference of one dependent variable between two levels of one independent variable

 

determining the difference of two dependent variables between two levels of one independent variable

 

determining the difference of two dependent variables between two levels of one independent variable

 

determining the difference between two independent variables on one dependent variable

 

 

Question 4

3 / 3 pts

_________ is an estimate of the magnitude of the difference between the means of two groups measured in standard deviation units.

 

Cohen’s d

 

t²

 

η²

 

β

 

Question 5

3 / 3 pts

For an independent t test the dependent variable should be:

 

normally distributed

 

 

categorical

 

 

platykurtic

 

 

leptokurtic

 

 

Question 6

3 / 3 pts

If the Levene test yields a p value of less than .05, we report:

 

the standard degrees of freedom

 

 

the adjusted degrees of freedom

 

 

the Levene z value

 

the Levene covariate

 

Question 7

3 / 3 pts

In SPSS, to conduct a independent-samples t test you must go to the main menu:

 

Analyze

 

 

Transform

 

 

t-tests

 

 

Graphs

 

 

Question 8

3 / 3 pts

A dichotomous variable has:

 

two unique values

 

 

two or more unique values

 

 

is quantitative

 

 

is continuous

 

 

IncorrectQuestion 9

0 / 3 pts

Which of the following is a range of possible values for a measure of effect size?

 

0%-100%

 

 

25%-50%

 

 

0%-95%

 

 

0%-5%

 

 

Question 10

3 / 3 pts

All of the following should be included in the Levene statistics statement in the writeup for a t test except:

 

implications of the Levene test

 

t value

 

F value

 

p value for Levene test

• Points30

 

• Questions10

 

• Time Limit45 Minutes

 

• Allowed AttemptsUnlimited

Instructions

The quiz:

• Covers the Textbookmaterial from Module 5: Week 5.
• Contains10 multiple-choice 
• Is limitedto 45 minutes.
• Allowsunlimited attempts and the highest attempt will count towards the grade.
• Is worth 30 points.

TAKE THE QUIZ AGAIN

Attempt History

	Attempt	Time	Score
KEPT	Attempt 3
LATEST	Attempt 3
	Attempt 2
	Attempt 1

 

 

Question 1

3 / 3 pts

The independent samples t-test is robust if which assumption is violated:

 

there is no homogeneity of variance

 

the outcome variable is not quantitative

 

the outcome variable is not normally distributed

 

the sample size is too small

 

Question 2

3 / 3 pts

If the Levene test yields a p value of greater than .05, we report:

 

the standard degrees of freedom

 

 

the adjusted degrees of freedom

 

 

the Levene z value

 

the Levene covariate

 

Question 3

3 / 3 pts

A single independent t test is used for:

 

determining the difference of one dependent variable between two levels of one independent variable

 

determining the difference of two dependent variables between two levels of one independent variable

 

determining the difference of two dependent variables between two levels of one independent variable

 

determining the difference between two independent variables on one dependent variable

 

 

Question 4

3 / 3 pts

_________ is an estimate of the magnitude of the difference between the means of two groups measured in standard deviation units.

 

Cohen’s d

 

t²

 

η²

 

β

 

Question 5

3 / 3 pts

For an independent t test the dependent variable should be:

 

normally distributed

 

 

categorical

 

 

platykurtic

 

 

leptokurtic

 

 

Question 6

3 / 3 pts

If the Levene test yields a p value of less than .05, we report:

 

the standard degrees of freedom

 

 

the adjusted degrees of freedom

 

 

the Levene z value

 

the Levene covariate

 

Question 7

3 / 3 pts

In SPSS, to conduct a independent-samples t test you must go to the main menu:

 

Analyze

 

 

Transform

 

 

t-tests

 

 

Graphs

 

 

Question 8

3 / 3 pts

A dichotomous variable has:

 

two unique values

 

 

two or more unique values

 

 

is quantitative

 

 

is continuous

 

 

IncorrectQuestion 9

0 / 3 pts

Which of the following is a range of possible values for a measure of effect size?

 

0%-100%

 

 

25%-50%

 

 

0%-95%

 

 

0%-5%

 

 

Question 10

3 / 3 pts

All of the following should be included in the Levene statistics statement in the writeup for a t test except:

 

implications of the Levene test

 

t value

 

F value

 

p value for Levene test

• Points30

 

• Questions10

 

• Time Limit45 Minutes

 

• Allowed AttemptsUnlimited

Instructions

The quiz:

• Covers the Textbookmaterial from Module 5: Week 5.
• Contains10 multiple-choice 
• Is limitedto 45 minutes.
• Allowsunlimited attempts and the highest attempt will count towards the grade.
• Is worth 30 points.

TAKE THE QUIZ AGAIN

Attempt History

	Attempt	Time	Score
KEPT	Attempt 3
LATEST	Attempt 3
	Attempt 2
	Attempt 1

 

 

Question 1

3 / 3 pts

The independent samples t-test is robust if which assumption is violated:

 

there is no homogeneity of variance

 

the outcome variable is not quantitative

 

the outcome variable is not normally distributed

 

the sample size is too small

 

Question 2

3 / 3 pts

If the Levene test yields a p value of greater than .05, we report:

 

the standard degrees of freedom

 

 

the adjusted degrees of freedom

 

 

the Levene z value

 

the Levene covariate

 

Question 3

3 / 3 pts

A single independent t test is used for:

 

determining the difference of one dependent variable between two levels of one independent variable

 

determining the difference of two dependent variables between two levels of one independent variable

 

determining the difference of two dependent variables between two levels of one independent variable

 

determining the difference between two independent variables on one dependent variable

 

 

Question 4

3 / 3 pts

_________ is an estimate of the magnitude of the difference between the means of two groups measured in standard deviation units.

 

Cohen’s d

 

t²

 

η²

 

β

 

Question 5

3 / 3 pts

For an independent t test the dependent variable should be:

 

normally distributed

 

 

categorical

 

 

platykurtic

 

 

leptokurtic

 

 

Question 6

3 / 3 pts

If the Levene test yields a p value of less than .05, we report:

 

the standard degrees of freedom

 

 

the adjusted degrees of freedom

 

 

the Levene z value

 

the Levene covariate

 

Question 7

3 / 3 pts

In SPSS, to conduct a independent-samples t test you must go to the main menu:

 

Analyze

 

 

Transform

 

 

t-tests

 

 

Graphs

 

 

Question 8

3 / 3 pts

A dichotomous variable has:

 

two unique values

 

 

two or more unique values

 

 

is quantitative

 

 

is continuous

 

 

IncorrectQuestion 9

0 / 3 pts

Which of the following is a range of possible values for a measure of effect size?

 

0%-100%

 

 

25%-50%

 

 

0%-95%

 

 

0%-5%

 

 

Question 10

3 / 3 pts

All of the following should be included in the Levene statistics statement in the writeup for a t test except:

 

implications of the Levene test

 

t value

 

F value

 

p value for Levene test