Question 1

State the three basic requirements for doing a one-way between-subjects ANOVA.

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Question 2

If = 19, = 24, = 8, and $\begin{array}{c}
\sum X_{1} \quad \sum X_{2} \quad \sum X_{3} \

\sum\left(\frac{\left(\sum X \text { in column }\right)^{2}}{n \text { in column }}\right)
\end{array}$ $\sum X_{4}$ = 10 and $n_{1}$ = 5, $n_{2}$ = 6, $n_{3}$ = 8, and $n_{4}$ = 5, what is
?

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The answer of If = 19, = 24, = 8,...

Question 3

Suppose you perform an ANOVA on 18 subjects divided evenly into three groups according to age.Reading speed is measured and averaged for each of the three groups.The reading speed for the Young Group is 10; for the Middle Group, 12; and for the Older Group, 13.Your $F_{o b t}$ is 9.15.Use $\alpha$ = .05 
a.What are your degrees of freedom?
b.What is the appropriate $F_{c r i t}$ ? 
c.What should you conclude?

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The answer of Suppose you perform an ANOVA on 18...

Question 4

For Joan's doctoral dissertation experiment, 15 wheelchair users were assigned to three groups with 5 in each group.These participants navigated in virtual-reality settings.Group 1 participants were in the virtual-reality setting a building) as wheelchair users.Group 2 participants were in the virtual-reality setting in a wheelchair pushed by a walking person.Group 3 participants walked without aid in the virtual-reality setting.Joan measured the number the time needed to complete the navigation of the virtual-reality setting.
a.What is the dependent variable?
b.What is the independent variables?
c.How many levels are there?
d.What is the N?

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The answer of For Joan's doctoral dissertation experiment, 15 wheelchair...

Question 5

Dr.Thompson has completed an experiment where he noted subject reactions to either viewing a funny movie n =
45), a serious movie n = 42), or no movie at all n = 47).State the degrees of freedom between, within, and total.

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The answer of Dr.Thompson has completed an experiment where he...

Question 6

What is the mean of an F-distribution?

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Question 7

Corey is researching the effect of memory-enhancing, memory-impairing, and memory-neutral drugs on the ability of rats to run a maze.He has a total of 45 rats available for his study.He assigns an equal number of rats to each treatment condition.If he calculates his$\Sigma X_{t o t}^{2}$ = 60, $\left(\sum X_{t o t}\right)$= 40, and   $\sum\left(\frac{\left(\sum X \text { in column }\right)^{2}}{n \text { in column }}\right)$ = 45. 
a.What is N?
b.What is n?
c.What is $S S_{tot}$ ?
d.What is $S S_{bn}$ ?
e.What is $S S_{wn}$ ?

Accepted Answer

The answer of Corey is researching the effect of memory-enhancing,...

Question 8

An experimenter studies the effect of type of music during practice on recall of word lists using rock background music for 10 subjects, classical music for 16 others, rap music for 12, and country/western for another 15.
a.How many factors does this experiment have?
b.How many levels are there in the experiment?
c.What is the N in this experiment?

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The answer of An experimenter studies the effect of type...

Question 9

Professor Johnston conducted an experiment where subjects either drank 5, 3, or 0 cups of coffee and then measured their alertness.The first two conditions had 55 subjects but the control condition had 51 subjects.Professor Johnston obtained a significant ANOVA.Is he now justified in using a Tukey's HSD test?

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Question 10

Research into the social behavior of senior citizens living in different settings has resulted in the following data.Within each residential setting type, 6 seniors were studied to see how many days each week they left their home. $\begin{array}{|l|l|l|}
\hline \text { Own Home } & \begin{array}{l}
\text { Retirement } \
\text { Community }
\end{array} & \begin{array}{l}
\text { Assisted-Living } \
\text { Apartment }
\end{array} \
\hline 2 & 3 & 6 \
\hline 5 & 3 & 6 \
\hline 1 & 4 & 5 \
\hline 0 & 5 & 6 \
\hline 1 & 3 & 5 \
\hline 3 & 5 & 4 \
\hline
\end{array}$ 
a.Complete the following source table: $\begin{array}{l|l|l|l|l}
\hline \text { Source } & \text { Sum of Square } & \text { df } & \text { Mean Square } & F \
\hline \text { Between groups } & & & & \
\hline \text { Within groups } & & & & \
\hline \text { Total } & & & & \
\hline
\end{array}$ 
b.Use $\alpha$ = .05.What is the $F_{c r i t}$ ? 
c.What should you conclude?

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The answer of Research into the social behavior of senior...

Question 11

Suppose you're reading a result in a journal article that reports, F3, 13) = 4.19, p <.05.What do each of these values mean?

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Question 12

A study of the effect of IQ on musical ability involved three levels of IQ-below average, average, and above average.A total of 36 participants were involved.Of the 36 participants, 8 were determined to have below average intelligence, 18 were of average intelligence, and 10 were of above average intelligence.
a.What is$d f_{t o t al}$ ?
b.What is $d f_{b n}$ ?
c What is $d f_{wn}$ ?

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The answer of A study of the effect of IQ...

Question 13

Three new behavior modification techniques are being tried on children with special needs.. $\begin{array}{|l|l|l|}
\hline \text { Method 1 } & \text { Method 2 } & \text { Method 3 } \
\hline 6 & 5 & 4 \
\hline 5 & 3 & 7 \
\hline 3 & 6 & 5 \
\hline 1 & 4 & 8 \
\hline 5 & 3 & 6 \
\hline 3 & 8 & 4 \
\hline
\end{array}$ 
a.Complete the following source table: $\begin{array}{l|l|l|l|l}
\hline \text { Source } & \text { Sum of Square } & \text { df } & \text { Mean Square } & F \
\hline \text { Between groups } & & & & \
\hline \text { Within groups } & & & & \
\hline \text { Total } & & & & \
\hline
\end{array}$ 
b.Use $\alpha$ = .05.What is the $F_{c r i t}$ ? 
c.What should you conclude?

Accepted Answer

The answer of Three new behavior modification techniques are being...

Question 14

A researcher investigated whether the noise level in a room influenced productivity.For this experiment, $d f_{b n}$ = 3 and $d f_{w n}$ = 20.What is $F_{c r i t}$ ? Use $\alpha$ = 0.05.

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The answer of A researcher investigated whether the noise level...

Quiz 11: Hypothesis Testing Using the One-Way Analysis of Variance

State the three basic requirements for doing a one-way between-subjects ANOVA.

If = 19, = 24, = 8, and $\begin{array}{c}\sum X_{1} \quad \sum X_{2} \quad \sum X_{3} \\\sum\left(\frac{\left(\sum X \text { in column }\right)^{2}}{n \text { in column }}\right)\end{array}$ $\sum X_{4}$ = 10 and $n_{1}$ = 5, $n_{2}$ = 6, $n_{3}$ = 8, and $n_{4}$ = 5, what is ?

Dr.Thompson has completed an experiment where he noted subject reactions to either viewing a funny movie n = 45), a serious movie n = 42), or no movie at all n = 47).State the degrees of freedom between, within, and total.

What is the mean of an F-distribution?

Suppose you're reading a result in a journal article that reports, F3, 13) = 4.19, p <.05.What do each of these values mean?

A researcher investigated whether the noise level in a room influenced productivity.For this experiment, $d f_{b n}$ = 3 and $d f_{w n}$ = 20.What is $F_{c r i t}$ ? Use $\alpha$ = 0.05.

Quiz 11: Hypothesis Testing Using the One-Way Analysis of Variance

State the three basic requirements for doing a one-way between-subjects ANOVA.

Dr.Thompson has completed an experiment where he noted subject reactions to either viewing a funny movie n = 45), a serious movie n = 42), or no movie at all n = 47).State the degrees of freedom between, within, and total.

What is the mean of an F-distribution?

Suppose you're reading a result in a journal article that reports, F3, 13) = 4.19, p <.05.What do each of these values mean?

A researcher investigated whether the noise level in a room influenced productivity.For this experiment, dfbnd f_{b n}dfbn​ = 3 and dfwnd f_{w n}dfwn​ = 20.What is FcritF_{c r i t}Fcrit​ ? Use α\alphaα = 0.05.

A researcher investigated whether the noise level in a room influenced productivity.For this experiment, $d f_{b n}$ = 3 and $d f_{w n}$ = 20.What is $F_{c r i t}$ ? Use $\alpha$ = 0.05.