Question

There are two F ratios you can derive from an one-way within-subjects ANOVA.

a. true

b. false

Answer #1

Ans : False

(only one F ratio)

1. A “one-way” between-subjects ANOVA is conducted when data are
recorded in one group.
True
False
2. Post hoc tests control for the total alpha level for a series
of tests conducted on the same data.
True
False
3. All post hoc tests control for the effect size of a
significant result.
True
False
4. A one-way between-subjects ANOVA is conducted to test for
mean differences between the levels of two or more factors.
True
False
5. A researcher conducts...

How do you calculate degrees of freedom for within and between
subjects in one way ANOVA? Does the calculation formula change for
2 way (factorial) ANOVA?

True or False:
A. You can perform a two-way ANOVA only when the sample
sizes are the same in all cells.
B. When interaction is present in a two-way ANOVA, the
main effects are always uninformative.
C. ANOVA assumes that the populations are Normal with
possibly different means and the same standard deviation and that
independent simple random samples are drawn from each
population.
D. ANOVA separates the total variation into parts of the
model and error. The model variation...

1. Using the two-way mixed ANOVA, different participants are
observed at each level of the between-subjects factor, and the same
participants are observed across the levels of the within-subjects
factor. TRUE OR FALSE
2. A researcher computes two 2 × 2 between-subjects ANOVAs. In
Study 1, he observes 8 participants in each cell; in Study 2, he
observes 12 participants in each cell. Which study is associated
with a larger value for degrees of freedom for the A × B...

3. How many F ratios are calculated for two-way ANOVA and
why?

Question 12
How many sources of error are present in a one-way
within-subjects ANOVA?
a.
0
b.
2
c.
1
d.
3

Is there any difference between a Factorial ANOVA and a One-Way
ANOVA?
Yes, a Factorial ANOVA has 2+ IVs, whereas a One-Way ANOVA has
only 1 IV.
Yes, the main purpose of a Factorial ANOVA is to test if two or
more groups are significantly different from each other, whereas a
One-Way ANOVA compares means across two or more independent
variables.
No, both tests are the same.
Yes, Factorial ANOVA results in the calculation of three F
ratios, whereas two...

1. Can you use an ANOVA with two groups?
a. True
b. False
2. What is the minimum number of groups that
should be used with an ANOVA?
a. 3
b. 2
c. 1
d. 5
3. What are the three types of ANOVA discussed in class? Select
all that apply.
a. Repeated Measures ANOVA
b. One Factor/Way ANOVA
c. Two Factor (Univariate) ANOVA
d. Pretense ANOVA
4. What does an ANOVA tell you?
a. An ANOVA tells you if...

In your own words, describe the benefits of running a two-way
ANOVA to test the different effects of 2 different factors instead
of doing 2 one-way ANOVAs.
Come up with a sample experiment where you would use a two-way
between-subjects ANOVA.
Come up with a sample experiment where you would use a two-way
within-subjects ANOVA.
Come up with a sample experiment where you would use a two-way
mixed design ANOVA.

Suppose that the overall F-test obtained from performing a
one-way ANOVA resulted in a p-value that was not statistically
significant. Which of the following CANNOT be true?
The variability within the groups is very large compared to
between-group variability.
The variability between the groups is very large compared to
within-group variability.
The ratio of the between and within variability was not
sufficiently large.
The F-statistic was not larger than the critical value obtained
from the F-distribution.

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