Question 1

How many participants would be required for a completely randomized 4 F1F1F1S1F1F1F10 5 between-subjects design with three observations per cell?

Accepted Answer

A) 18 
B) 20 
C) 27 
D) 60 
A) 18 
B) 20 
C) 27 
D) 60 D

Question 2

A significant interaction effect indicates that

Accepted Answer

A) the influence of one factor is not the same for each level of the other factor. 
B) the influence of one factor is the same for each level of the other factor. 
C) the relationship between one factor and the dependent variable differs from the relationship between the other factor and the dependent variable. 
D) the dependent variable differs depending on the level of a factor. 
A) the influence of one factor is not the same for each level of the other factor. 
B) the influence of one factor is the same for each level of the other factor. 
C) the relationship between one factor and the dependent variable differs from the relationship between the other factor and the dependent variable. 
D) the dependent variable differs depending on the level of a factor. A

Question 3

A two-way ANOVA contains

Accepted Answer

A) a main effect for each factor. 
B) a main effect for each factor and an interaction. 
C) an interaction for each factor and a main effect. 
D) an interaction for each factor. 
A) a main effect for each factor. 
B) a main effect for each factor and an interaction. 
C) an interaction for each factor and a main effect. 
D) an interaction for each factor. B

Question 4

In a two-way ANOVA,a cell represents

Accepted Answer

A) one level of the independent variable called Factor A and one level of the independent variable called Factor B. 
B) one level of the dependent variable. 
C) one level of the independent variable called Factor A. 
D) all the subjects in the experiment. 
A) one level of the independent variable called Factor A and one level of the independent variable called Factor B. 
B) one level of the dependent variable. 
C) one level of the independent variable called Factor A. 
D) all the subjects in the experiment.

Question 5

An unconfounded comparison occurs in comparing two cell means when

Accepted Answer

A) there are unequal ns in the cells. 
B) the two cells differ along one factor. 
C) the two cells differ along more than one factor. 
D) there are unequal ns in the factors. 
A) there are unequal ns in the cells. 
B) the two cells differ along one factor. 
C) the two cells differ along more than one factor. 
D) there are unequal ns in the factors.

Question 6

An interaction effect that is not significant indicates that

Accepted Answer

A) the influence of one factor is not the same for each level of the other factor. 
B) the influence of one factor is the same for each level of the other factor. 
C) the relationship between one factor and the dependent variable differs from the relationship between the other factor and the dependent variable. 
D) the dependent variable differs depending on the level of a factor. 
A) the influence of one factor is not the same for each level of the other factor. 
B) the influence of one factor is the same for each level of the other factor. 
C) the relationship between one factor and the dependent variable differs from the relationship between the other factor and the dependent variable. 
D) the dependent variable differs depending on the level of a factor.

Question 7

If   for a factor is 0.09,

Accepted Answer

A) the importance of the factor should be emphasized in the interpretation of the overall experiment. 
B) the importance of the factor should not be emphasized in the interpretation of the overall experiment. 
C) the factor accounts for 90% of the variance in scores. 
D) the factor accounts for 9% of the variance in scores. 
A) the importance of the factor should be emphasized in the interpretation of the overall experiment. 
B) the importance of the factor should not be emphasized in the interpretation of the overall experiment. 
C) the factor accounts for 90% of the variance in scores. 
D) the factor accounts for 9% of the variance in scores.

Question 8

Sharon has conducted a study on the effectiveness of a drug for obsessive-compulsive disorder (OCD).Her drug levels are 0 mg. ,100 mg. ,and 500 mg.She also has included a second factor of therapy versus no therapy.Sharon already has computed the total of the scores in each treatment.These are given below,along with the sum of the scores for every measurement in the study (   ).Sharon had 10 participants in each treatment condition.What is her   (therapy level)?

Accepted Answer

A) 7.25 
B) 34.64 
C) 45.60 
D) 87.01 
A) 7.25 
B) 34.64 
C) 45.60 
D) 87.01

Question 9

When an experiment design has two factors but one factor involves related samples while the other factor involves independent samples,we should perform a

Accepted Answer

A) two-way within-subjects ANOVA. 
B) two-way between-subjects ANOVA. 
C) two-way mixed-design ANOVA. 
D) two-way independent-related samples ANOVA. 
A) two-way within-subjects ANOVA. 
B) two-way between-subjects ANOVA. 
C) two-way mixed-design ANOVA. 
D) two-way independent-related samples ANOVA.

Question 10

When graphed,a significant interaction effect produces two or more lines that

Accepted Answer

A) slant upward from left to right. 
B) slant downward from left to right. 
C) are not parallel. 
D) have either U shapes or inverted U shapes. 
A) slant upward from left to right. 
B) slant downward from left to right. 
C) are not parallel. 
D) have either U shapes or inverted U shapes.

Question 11

In a two-way ANOVA,the hypotheses for a Factor B that has four levels are

Accepted Answer

A)    not all   are equal. 
B)    not all   are equal. 
C)      
D)    
A)    not all   are equal. 
B)    not all   are equal. 
C)      
D)

Question 12

In a 4 F1F1F1S1F1F1F10 2 design with 80 participants distributed equally across the conditions,what are   and   ?

Accepted Answer

A)    = 4;   = 20 
B)    = 6;   = 10 
C)    = 8;   = 10 
D)    = 8;   = 80 
A)    = 4;   = 20 
B)    = 6;   = 10 
C)    = 8;   = 10 
D)    = 8;   = 80

Question 13

For the following mean square from an ANOVA summary table,what are the correct   values?

Accepted Answer

A) a 
B) b 
C) c 
D) d 
A) a 
B) b 
C) c 
D) d

Question 14

In a 2 F1F1F1S1F1F1F10 2 design with 40 participants equally distributed across the conditions,what are   and

Accepted Answer

A)    = 1;   = 10 
B)    = 1;   = 40 
C)    = 2;   = 10 
D)    = 2;   = 20 
A)    = 1;   = 10 
B)    = 1;   = 40 
C)    = 2;   = 10 
D)    = 2;   = 20

Question 15

In a two-way ANOVA,an F involving a comparison among the level means of a factor is referred to as a test for the significance of

Accepted Answer

A) a main effect. 
B) the interaction effect. 
C) a factorial design. 
D) a level effect. 
A) a main effect. 
B) the interaction effect. 
C) a factorial design. 
D) a level effect.

Question 16

A major reason for conducting a study with two factors is to

Accepted Answer

A) observe the interaction between the factors. 
B) observe the main effects simultaneously. 
C) conserve time and energy. 
D) obtain more samples than can easily be obtained with one factor. 
A) observe the interaction between the factors. 
B) observe the main effects simultaneously. 
C) conserve time and energy. 
D) obtain more samples than can easily be obtained with one factor.

Question 17

For which of the three F-tests in a two-way ANOVA do you collapse across the levels of the other factor(s)in computing the means?

Accepted Answer

A) The A main effect 
B) The B main effect 
C) The interaction effect 
D) Both the A main effect and the B main effect 
A) The A main effect 
B) The B main effect 
C) The interaction effect 
D) Both the A main effect and the B main effect

Question 18

In a two-way ANOVA,an F involving a comparison among the means of the cells is referred to as a test for the significance of

Accepted Answer

A) a main effect. 
B) the interaction effect. 
C) a factorial design. 
D) a level effect. 
A) a main effect. 
B) the interaction effect. 
C) a factorial design. 
D) a level effect.

Question 19

A professor and his graduate students conducted a study testing the effects of levels of collaborative learning (Factor A)and levels of constructivist instruction (Factor B)on student learning (dependent variable).Their partial summary table is shown here.What was   ?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 20

If you are interested in how well students perform on a standardized math achievement test after they have completed a six-week math unit in either a computer-assisted class,a videotaped course,or a regular classroom,what kind of design do you have?

Accepted Answer

A) A 3 F1F1F1S1F1F1F10 3 between-subjects,factorial design 
B) A 2 F1F1F1S1F1F1F10 2 between-subjects,factorial design 
C) A 3 F1F1F1S1F1F1F10 3 between-subjects,incomplete factorial design 
D) A one-way design 
A) A 3 F1F1F1S1F1F1F10 3 between-subjects,factorial design 
B) A 2 F1F1F1S1F1F1F10 2 between-subjects,factorial design 
C) A 3 F1F1F1S1F1F1F10 3 between-subjects,incomplete factorial design 
D) A one-way design

How many participants would be required for a completely randomized 4  5 between-subjects design with three observations per cell?

A significant interaction effect indicates that

A two-way ANOVA contains

In a two-way ANOVA,a cell represents

An unconfounded comparison occurs in comparing two cell means when

An interaction effect that is not significant indicates that

If for a factor is 0.09,

When an experiment design has two factors but one factor involves related samples while the other factor involves independent samples,we should perform a

When graphed,a significant interaction effect produces two or more lines that

In a two-way ANOVA,the hypotheses for a Factor B that has four levels are

In a 4  2 design with 80 participants distributed equally across the conditions,what are and ?

For the following mean square from an ANOVA summary table,what are the correct values?

In a 2  2 design with 40 participants equally distributed across the conditions,what are and

In a two-way ANOVA,an F involving a comparison among the level means of a factor is referred to as a test for the significance of

A major reason for conducting a study with two factors is to

For which of the three F-tests in a two-way ANOVA do you collapse across the levels of the other factor(s)in computing the means?

In a two-way ANOVA,an F involving a comparison among the means of the cells is referred to as a test for the significance of

A professor and his graduate students conducted a study testing the effects of levels of collaborative learning (Factor A)and levels of constructivist instruction (Factor B)on student learning (dependent variable).Their partial summary table is shown here.What was ?

If you are interested in how well students perform on a standardized math achievement test after they have completed a six-week math unit in either a computer-assisted class,a videotaped course,or a regular classroom,what kind of design do you have?

Introduction to Statistics

Statistics and the Research Process

Frequency Distributions and Percentiles

Measures of Central Tendency;the Mean, median, and Mode

Measures of Variability: Range, variance, and Standard Deviation

Z-Scores and the Normal Curve

The Correlation Coefficient

Linear Regression

Using Probability to Make Decisions About Data

Introduction to Hypothesis Testing

Performing the One-Sample T-Test and Testing Correlation Coefficients

The Two-Sample T-Test

The One-Way Analysis of Variance

Chi Square and Other Nonparametric Procedures

Filters

Exam 14: The Two-Way Analysis of Variance

How many participants would be required for a completely randomized 4  5 between-subjects design with three observations per cell?

A significant interaction effect indicates that

A two-way ANOVA contains

In a two-way ANOVA,a cell represents

An unconfounded comparison occurs in comparing two cell means when

An interaction effect that is not significant indicates that

If for a factor is 0.09,

When an experiment design has two factors but one factor involves related samples while the other factor involves independent samples,we should perform a

When graphed,a significant interaction effect produces two or more lines that

In a two-way ANOVA,the hypotheses for a Factor B that has four levels are

In a 4  2 design with 80 participants distributed equally across the conditions,what are and ?

For the following mean square from an ANOVA summary table,what are the correct values?

In a 2  2 design with 40 participants equally distributed across the conditions,what are and

In a two-way ANOVA,an F involving a comparison among the level means of a factor is referred to as a test for the significance of

A major reason for conducting a study with two factors is to

For which of the three F-tests in a two-way ANOVA do you collapse across the levels of the other factor(s)in computing the means?

In a two-way ANOVA,an F involving a comparison among the means of the cells is referred to as a test for the significance of

A professor and his graduate students conducted a study testing the effects of levels of collaborative learning (Factor A)and levels of constructivist instruction (Factor B)on student learning (dependent variable).Their partial summary table is shown here.What was ?

If you are interested in how well students perform on a standardized math achievement test after they have completed a six-week math unit in either a computer-assisted class,a videotaped course,or a regular classroom,what kind of design do you have?

Introduction to Statistics

Statistics and the Research Process

Frequency Distributions and Percentiles

Measures of Central Tendency;the Mean, median, and Mode

Measures of Variability: Range, variance, and Standard Deviation

Z-Scores and the Normal Curve

The Correlation Coefficient

Linear Regression

Using Probability to Make Decisions About Data

Introduction to Hypothesis Testing

Performing the One-Sample T-Test and Testing Correlation Coefficients

The Two-Sample T-Test

The One-Way Analysis of Variance

Chi Square and Other Nonparametric Procedures

Filters