Question

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 F ratios should be calculated in One-Way ANOVA.

Answer #1

Main difference between the Factorial ANOVA and a one way ANOVA is that the one way ANOVA deals only with single independent variables whereas the Factorial ANOVA deals with two or more independent variables

**therefore, option A is correct**

option B is incorrect because it states that one way ANOVA deals with more than two independent variable

option C is incorrect because these two are not same

option D is incorrect because one way has only one F ratio

1. Which of the following statements are true of One-way
ANOVA test?
a. It is a robust test (with sufficiently large samples and
relatively equal groups) even when the sample data are
statistically significantly different from normal distribution.
b. All of the other statements are correct.
c. It involves a dependent variable measured on a continuous
scale.
d. It involves an independent variable measured on a categorical
scale with 2+ groups/categories.
e.It compares the mean/average scores of the 2+ groups...

Part a: If the interaction in a two-way factorial ANOVA
is significant, then
A.
we need to test for all main effects.
B. we need to test for simple effects.
C.
we need to test for one of the main
effects.
D. None of above.
Part B: When testing for significant mean differences
among three groups means, doing independent t tests on all possible
pairwise comparisons will
A.not change the probability of a Type I
error.
B. increase the probability...

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?

Problem No 1:
What is the main difference between one-way ANOVA and three-way
ANOVA? (1 point)
In two-way ANOVA, what is the effect on dependent variable you
are able observe otherwise not possible if running two separate
studies with one-way ANOVA? (1 point)
What does a marginal mean represent? (1 point)
What does a cell mean represent? (1 point)
In a three-way ANOVA, how many interaction effects are to be
tested for significance? (1 point)

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...

Question 9
If you conduct a
One-Way ANOVA in SPSS and it is significant, which of the following
statements is true?
not all population
means are equal
it does not indicate
which groups significantly differ from others
all statements are
true
reject the null
hypothesis
Question 7
In an ANOVA, the
higher the F ratio, the more likely you are to
make a Type I
Error
make a Type II
Error
correctly reject the
null hypothesis
correctly accept the
null...

1. In one-way ANOVA, involving three groups, the alternative
hypothesis would be considered correct if, in the population,
a. all means were equal
b. two means are equal but the third is different
c. all three means have different values
d. either (b) or (c) above is true
QUESTION 2 When Null is true for a one-way ANOVA, variation of
the group means is a reflection of
a. inherent variation
b. differential treatment effects
c. nondifferential treatment effects
d. a...

1. Describe a study where a one-way ANOVA would be appropriate
(hint: how many independent variables are there in a
one-way ANOVA?). Make sure to tell us your independent and
dependent variables.
2. What would you hypothesize in terms of the effect of your IV
on your DV on why?

This semester we have discussed the following statistical
analyses.
Z-test
One-Sample
t-test
Independent Groups
t-test
Repeated Measures t-test
One-Way ANOVA
Repeated Measures ANOVA
Correlation
Fill in the table with the correct defining term.
? is given
µ is given
Groups Compared
Test Used
No
No
Looks at the same group at 2 different times or across two
different conditions
Yes
Yes
Sample against population
X
X
Examines the degree to which two variables relate to one
another...

In a one-way ANOVA, what is the minimum difference between means
(for each group/level/condition/sample) required to conclude that
there is a significant difference between a pair of
groups/levels/conditions/samples?

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