Quiz: Comparing Two or More Groups
Due Sep 28 at 11:59pm
Points 30
Questions 10
Time Limit 45 Minutes
Allowed Attempts Unlimited
This quiz is no longer available as the course has been concluded.
Attempt History
Attempt Time Score
Correct answers are hidden.
Score for this attempt: 30 out of 30
Submitted Aug 19 at 9:43pm
This attempt took 22 minutes.
Question 1
3 / 3 pts
Which of the following is an assumption of ANOVA?
Independent random samples are used
The population variances are statistically significant
The dependent variable is a nominal level of measurement
The population is not normally distributed
Question 2
3 / 3 pts
In order to determine whether the differences between group means are statistically significant, ANOVA
examines the differences:
between and within groups
between groups
within groups
neither between nor within groups
LATEST Attempt 1 22 minutes 30 out of 30
Question 3
3 / 3 pts
An analysis of variance with one dependent and one independent variable is referred to as a
one-way ANOVA
single correlation
multiple regression
multiple ANOVA
Question 4
3 / 3 pts
A single-factor research design can be defined as _____ .
a research design consisting of all possible combinations of two or more independent variables
the effect of one independent variable on the dependent variable that changes at the different levels of another
independent variable
a research design consisting of one independent variable
the ability to test interaction effects and the ability to test main effects
Question 5
3 / 3 pts
Which of the following is not a type of ANOVA?
ANDOVA ANCOVA
Factorial ANOVA
MANOVA
Question 6
3 / 3 pts
A factorial research design can be defined as _____.
a research design consisting of all possible combinations of two or more independent variables
the effect of one independent variable on the dependent variable that changes at the different levels of another
independent variable
a research design consisting of one independent variable
an independent variable consisting of more than two groups
Question 7
3 / 3 pts
ANOVA is best suited for comparing the means of __________ group(s) at once.
at least two
identical
deviant
one
Question 8
3 / 3 pts
Which of the following is an assumption of ANOVA?
each group have approximately normal distributions of outcome variable
The population variances are statistically significant
The dependent variable is a nominal level of measurement
use of convenience samples
Question 9
3 / 3 pts
When researchers associate each research participant with one level of an independent variable, they are
designing ______ research design.
a factorial
a two-factor
an interaction
a single-factor
Question 10
3 / 3 pts
If a researcher examines one independent variable, she would be using a ______ research design; if she was
examining the possible combinations of two or more independent variables, she would be using a ______
research design.
factorial; single-factor
single-factor; factorial
factorial; interaction effect
single-factor; interaction effect
Quiz Score: 30 out of 30
