Question 1

In addition to assessing whether each independent variable has an effect on the dependent variable, a factorial ANOVA also allows one to:

Accepted Answer

A)  use multiple dependent measures in a single analysis. 
B)  control for a third variable that might be related to the dependent measure, prior to investigating the independent variable of interest. 
C)  determine whether the effects of one factor depend on the other factor. 
D)  partition out the variability due to individual differences and the variability due to measurement error. 
A)  use multiple dependent measures in a single analysis. 
B)  control for a third variable that might be related to the dependent measure, prior to investigating the independent variable of interest. 
C)  determine whether the effects of one factor depend on the other factor. 
D)  partition out the variability due to individual differences and the variability due to measurement error.

Question 2

An effect size calculation of 0.10 for a two-way between-groups ANOVA is considered to be a small effect.

Accepted Answer

A) True 
 B)False

Question 3

The owners of the Syfy channel are interested in whether watching the Syfy channel causes people to become "geeky," and whether any such effects depend on a person's gender.They hire a researcher to design and carry out the appropriate study.The researcher asks an equal number of men and women to watch 0, 3, 5, and 9 hours of the Syfy channel each week for 6 weeks.At the end of each week, the researcher measures the "geekiness" of the men and women on a scale from 1 to 10.How many cells are in this design?

Accepted Answer

A)  6 
B)  8 
C)  12 
D)  48 
A)  6 
B)  8 
C)  12 
D)  48

Question 4

The variations on ANOVA, MANOVA and MANCOVA, both include more than one dependent variable.

Accepted Answer

A) True 
 B)False

Question 5

An effect size of 0.20 for a two-way ANOVA is considered to be:

Accepted Answer

A)  small. 
B)  medium. 
C)  large. 
D)  an error. 
A)  small. 
B)  medium. 
C)  large. 
D)  an error.

Question 6

The grand mean in a factorial ANOVA is NOT useful in calculating which of these?

Accepted Answer

A)  total sum of squares 
B)  within groups sum of squares 
C)  sum of squares for factor 1 
D)  sum of squares for factor 2 
A)  total sum of squares 
B)  within groups sum of squares 
C)  sum of squares for factor 1 
D)  sum of squares for factor 2

Question 7

A researcher wants to statistically test whether gender affects math test scores.Which type of ANOVA design should the researcher use?

Accepted Answer

A)  between-groups 
B)  within-groups 
C)  mixed-groups 
D)  repeated-measures 
A)  between-groups 
B)  within-groups 
C)  mixed-groups 
D)  repeated-measures

Question 8

The covariate in analysis of covariance must be measured as what type of variable?

Accepted Answer

A)  nominal 
B)  ordinal 
C)  scale 
D)  integer 
A)  nominal 
B)  ordinal 
C)  scale 
D)  integer

Question 9

For the data in the incomplete source table, what is the value of F for the third source, the interaction between paint color and light condition? $$\begin{array} { | l | c | c | c | c } 
\hline \text { Source } & S S & d f & M S & F \
\hline \text { Paint Color } & 3.5 & 3 & 1.167 & \
\hline \text { Light Condition } & 1.1 & 2 & & \
\hline \text { Paint } \times \text { Light } & 2.2 & 6 & & \
\text { Within } & 17.0 & 48 & 0.354 & \
\text { Total } & 23.8 & 59 & &
\end{array}$$

Accepted Answer

A)  1.554 
B)  1.036 
C)  3.30 
D)  0.55 
A)  1.554 
B)  1.036 
C)  3.30 
D)  0.55

Question 10

The degrees of freedom for the interaction in a two-way ANOVA is calculated by:

Accepted Answer

A)  multiplying together the degrees of freedom associated with each of the main effects. 
B)  adding together the degrees of freedom associated with each of the main effects. 
C)  subtracting the degrees of freedom for the first main effect from that of the second main effect. 
D)  subtracting a single participant from each cell of the study and then adding the results for all the cells. 
A)  multiplying together the degrees of freedom associated with each of the main effects. 
B)  adding together the degrees of freedom associated with each of the main effects. 
C)  subtracting the degrees of freedom for the first main effect from that of the second main effect. 
D)  subtracting a single participant from each cell of the study and then adding the results for all the cells.

Question 11

If an analysis of variance includes both within-groups factors and between-groups factors, it is called a _____ ANOVA.

Accepted Answer

A)  two-way 
B)  complex-design 
C)  between-within 
D)  mixed-design 
A)  two-way 
B)  complex-design 
C)  between-within 
D)  mixed-design

Question 12

A researcher wants to examine the effect of drugs and diet on systolic blood pressure.She randomly assigns 20 individuals with high blood pressure to one of four treatments: control (no diet or drugs), diet modification only, drug only, drug and diet modification.What type of design is appropriate for this study?

Accepted Answer

A)  one-way within-groups ANOVA 
B)  two-way within-groups ANOVA 
C)  two-way between-groups ANOVA 
D)  mixed-design ANOVA 
A)  one-way within-groups ANOVA 
B)  two-way within-groups ANOVA 
C)  two-way between-groups ANOVA 
D)  mixed-design ANOVA

Question 13

A researcher is interested in whether circadian rhythms influence participants' performance on different kinds of memory tests.The researcher first classifies participants according to whether each is a morning person or evening person.The researcher then randomly assigns participants to receive either an implicit memory test or an explicit memory test.The researcher next tests everyone at 8 a.m.How many cells does this study have?

Accepted Answer

A)  2 
B)  4 
C)  6 
D)  8 
A)  2 
B)  4 
C)  6 
D)  8

Question 14

If at least one independent variable is between-groups and at least one is within-groups, the design is referred to as:

Accepted Answer

A)  an interaction. 
B)  one-way. 
C)  mixed. 
D)  two-way. 
A)  an interaction. 
B)  one-way. 
C)  mixed. 
D)  two-way.

Question 15

Which design has more than one dependent variable?

Accepted Answer

A)  mixed-design ANOVA 
B)  ANCOVA 
C)  MANCOVA 
D)  two-way ANOVA 
A)  mixed-design ANOVA 
B)  ANCOVA 
C)  MANCOVA 
D)  two-way ANOVA

In addition to assessing whether each independent variable has an effect on the dependent variable, a factorial ANOVA also allows one to:

An effect size calculation of 0.10 for a two-way between-groups ANOVA is considered to be a small effect.

The variations on ANOVA, MANOVA and MANCOVA, both include more than one dependent variable.

An effect size of 0.20 for a two-way ANOVA is considered to be:

The grand mean in a factorial ANOVA is NOT useful in calculating which of these?

A researcher wants to statistically test whether gender affects math test scores.Which type of ANOVA design should the researcher use?

The covariate in analysis of covariance must be measured as what type of variable?

For the data in the incomplete source table, what is the value of F for the third source, the interaction between paint color and light condition? Source SS df MS F Paint Color 3.5 3 1.167 Light Condition 1.1 2 Paint \times Light 2.2 6 Within 17.0 48 0.354 Total 23.8 59

The degrees of freedom for the interaction in a two-way ANOVA is calculated by:

If an analysis of variance includes both within-groups factors and between-groups factors, it is called a _____ ANOVA.

If at least one independent variable is between-groups and at least one is within-groups, the design is referred to as:

Which design has more than one dependent variable?

An Introduction to Statistics and Research Design

Frequency Distributions

Visual Displays of Data

Central Tendency and Variability

Sampling and Probability

The Normal Curve, Standardization and Z Scores

Hypothesis Testing With Z Tests

Confidence Intervals, Effect Size, and Statistical Power

The Single-Sample T Test

The Paired-Samples T Test

The Independent-Samples T Test

One-Way Between-Groups Anova

One-Way Within-Groups Anova

Correlation

Regression

Chi-Square Tess

Choosing and Reporting Statistics

Filters

Exam 14: Two-Way Between-Groups Anova

In addition to assessing whether each independent variable has an effect on the dependent variable, a factorial ANOVA also allows one to:

An effect size calculation of 0.10 for a two-way between-groups ANOVA is considered to be a small effect.

The variations on ANOVA, MANOVA and MANCOVA, both include more than one dependent variable.

An effect size of 0.20 for a two-way ANOVA is considered to be:

The grand mean in a factorial ANOVA is NOT useful in calculating which of these?

A researcher wants to statistically test whether gender affects math test scores.Which type of ANOVA design should the researcher use?

The covariate in analysis of covariance must be measured as what type of variable?

For the data in the incomplete source table, what is the value of F for the third source, the interaction between paint color and light condition? Source SS df MS F Paint Color 3.5 3 1.167 Light Condition 1.1 2 Paint \times Light 2.2 6 Within 17.0 48 0.354 Total 23.8 59

The degrees of freedom for the interaction in a two-way ANOVA is calculated by:

If an analysis of variance includes both within-groups factors and between-groups factors, it is called a _____ ANOVA.

If at least one independent variable is between-groups and at least one is within-groups, the design is referred to as:

Which design has more than one dependent variable?

An Introduction to Statistics and Research Design

Frequency Distributions

Visual Displays of Data

Central Tendency and Variability

Sampling and Probability

The Normal Curve, Standardization and Z Scores

Hypothesis Testing With Z Tests

Confidence Intervals, Effect Size, and Statistical Power

The Single-Sample T Test

The Paired-Samples T Test

The Independent-Samples T Test

One-Way Between-Groups Anova

One-Way Within-Groups Anova

Correlation

Regression

Chi-Square Tess

Choosing and Reporting Statistics

Filters