Comparing Two Independent Group
- 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.
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
t^{2}
η^{2}
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.
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
t^{2}
η^{2}
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.
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
t^{2}
η^{2}
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.
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
t^{2}
η^{2}
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.
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
t^{2}
η^{2}
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