Question 7 correct 2 2 pts within groups degrees of

Question 7
2 / 2 pts
Within-groups degrees of freedom in a two-way ANOVA is
calculated by:<br>
Within-groups degrees of freedom in a two-way ANOVA is calculated by:
Question 8
Correct!
2 / 2 pts
Within-groups degrees of freedom is calculated by:<br>
Within-groups degrees of freedom is calculated by:
Question 9
Correct!
2 / 2 pts
<p>F is obtained by dividing ________ by ________.</p
Question 10
Incorrect
0 / 2 pts
In which of the following situations would it be necessary to
use a within-groups ANOVA?<br>
In which of the following situations would it be necessary to use a within-groups
ANOVA?
A longitudinal study follows a group of kindergarten children through high
school and assesses their body mass index at four timepoints.

A researcher is interested in whether a sensitivity training class changes
attitudes toward minority populations. The researcher assesses these
attitudes before and after the sensitivity training class.
A researcher is interested in the effects of distraction on driving
performance and randomly assigns participants to one of three distraction
groups.
Question 11
Correct!
2 / 2 pts
A hypothesis test with two nominal independent variables and
an interval dependent variable is a:<br>
Question 12
Correct!
2 / 2 pts
According to Cohen's conventions, an R2 of 0.02 is considered
According to Cohen's conventions, an R2 of 0.02 is considered to be a(n)
________ effect size.
Question 13
Incorrect
0 / 2 pts
If you calculate an F statistic and find that it is negative, then
you know that:<br>
If you calculate an F statistic and find that it is negative, then you know that:
you have made a calculation error.

the difference among the group means is greater than what would have
occurred by chance.
the within-groups variance exceeds the between-groups variance.
Question 14
Correct!
2 / 2 pts
The z, t, and F distributions have something in common: the
numerator of the test statistic:<br>
The z, t, and F distributions have something in common: the numerator of the test
statistic:
Question 15
Correct!
2 / 2 pts
In a two-way factorial ANOVA, between-groups variance is
divided into:<br>
In a two-way factorial ANOVA, between-groups variance is divided into:
Question 16
Correct!