Question 1

Which statement is correct concerning one-way ANOVA?

Accepted Answer

A)  A treatment is the same as a particular combination of factor levels. 
B)  Only one categorical variable is involved. 
C)  The set of independent variables consists of both categorical and metric variables. 
D)  Both A and B are correct. 
A)  A treatment is the same as a particular combination of factor levels. 
B)  Only one categorical variable is involved. 
C)  The set of independent variables consists of both categorical and metric variables. 
D)  Both A and B are correct.

Question 2

Explain SSbetween,SSwithin,and SSy and their relationship.

Accepted Answer

∙ SSbetween.Also denoted as SSx,this is

Question 3

The total variation in Y,denoted by SSy,can be decomposed into which two components?

Accepted Answer

A)  SSy = SSx - SSerror 
B)  SSy = SSx + SSerror 
C)  SSy = SSbetween + SSwithin 
D)  B and C are correct. 
A)  SSy = SSx - SSerror 
B)  SSy = SSx + SSerror 
C)  SSy = SSbetween + SSwithin 
D)  B and C are correct.

Question 4

In one-way ANOVA,separation of the variation observed in the dependent variable into the variation due to the independent variables plus the variation due to error is called ________.

Accepted Answer

A)  one-way analysis of variance 
B)  n-way analysis of variance 
C)  analysis of covariance (ANCOV
A)  
D)  decomposition of the total variation 
A)  one-way analysis of variance 
B)  n-way analysis of variance 
C)  analysis of covariance (ANCOV
A)  
D)  decomposition of the total variation

Question 5

When using n-way ANOVA the significance of the overall effect may be tested by a t test.

Accepted Answer

A) True 
 B)False

Question 6

Important issues involved in the interpretation of ANOVA results include all of the following except ________.

Accepted Answer

A)  multiple comparisons 
B)  determining the appropriateness of the test 
C)  interactions 
D)  relative importance of factors 
A)  multiple comparisons 
B)  determining the appropriateness of the test 
C)  interactions 
D)  relative importance of factors

Question 7

When using SPSS Windows,for nonmetric analysis of variance,including the k-sample median test and Kruskal-Wallis one way analysis of variance,the program ________ should be used.

Accepted Answer

A)  general linear model 
B)  univariate 
C)  compare means 
D)  nonparametric tests 
A)  general linear model 
B)  univariate 
C)  compare means 
D)  nonparametric tests

Question 8

Which statement about MANOVA is not true?

Accepted Answer

A)  In MANOVA,the null hypothesis is that the vectors of means on multiple dependent variables are equal across groups. 
B)  Multivariate analysis of variance is appropriate when there are two or more dependent variables that are correlated. 
C)  MANOVA is most appropriate if there are multiple dependent variables that are uncorrelated or orthogonal. 
D)  MANOVA examines group differences across multiple dependent variables simultaneously. 
A)  In MANOVA,the null hypothesis is that the vectors of means on multiple dependent variables are equal across groups. 
B)  Multivariate analysis of variance is appropriate when there are two or more dependent variables that are correlated. 
C)  MANOVA is most appropriate if there are multiple dependent variables that are uncorrelated or orthogonal. 
D)  MANOVA examines group differences across multiple dependent variables simultaneously.

Question 9

Suppose that four groups,each consisting of 100 randomly selected individuals,were exposed to four different commercials about Tide detergent.After seeing the commercial,each individual provided ratings on preference for Tide,preference for Proctor and Gamble (the company making Tide),and preference for the commercial itself.Because these three preference variables are correlated,________ should be conducted to determine which commercial is the most effective (produced the highest preferences across the three variables).

Accepted Answer

A)  regression 
B)  MANOVA 
C)  n-way ANOVA 
D)  one-way ANOVA 
A)  regression 
B)  MANOVA 
C)  n-way ANOVA 
D)  one-way ANOVA

Question 10

The Kruskal-Wallis one-way analysis of variance also examines the difference in medians.

Accepted Answer

A) True 
 B)False

Question 11

In determining how different price levels will affect a household's cereal consumption,it may be essential to take household size into account.This is best analyzed by ________.

Accepted Answer

A)  one-way ANOVA 
B)  regression 
C)  ANCOVA 
D)  n-way ANOVA 
A)  one-way ANOVA 
B)  regression 
C)  ANCOVA 
D)  n-way ANOVA

Question 12

List the procedure for conducting one-way analysis of variance.

Accepted Answer

The procedure for conducting one-way ana

Question 13

In one-way ANOVA,the null hypothesis may be tested by ________.

Accepted Answer

A)  eta2 
B)  F statistic 
C)  chi-square 
D)  the t statistic 
A)  eta2 
B)  F statistic 
C)  chi-square 
D)  the t statistic

Question 14

A particular combination of factor levels,or categories,is called a treatment.

Accepted Answer

A) True 
 B)False

Question 15

A covariate is a ________ independent variable used in ________.

Accepted Answer

A)  categorical;ANOVA 
B)  metric;ANCOVA 
C)  categorical;ANCOVA 
D)  metric;ANOVA 
A)  categorical;ANOVA 
B)  metric;ANCOVA 
C)  categorical;ANCOVA 
D)  metric;ANOVA

Question 16

The strength of the joint effect of two (or more)factors or the overall effect is known as ________.

Accepted Answer

A)  significance of the overall effect 
B)  multiple η2 
C)  significance of the main effect 
D)  significance of the interaction effect 
A)  significance of the overall effect 
B)  multiple η2 
C)  significance of the main effect 
D)  significance of the interaction effect

Question 17

Interactions occur when the effects of one factor on the dependent variable depend on the level (category)of the other factors.

Accepted Answer

A) True 
 B)False

Question 18

Which statement is not true concerning interactions resulting from ANOVA?

Accepted Answer

A)  In disordinal interactions of a crossover type,the relative effect of the levels of one factor changes with the levels of the other. 
B)  Disordinal interactions of a crossover type represent the weakest interactions. 
C)  In ordinal interaction,the rank order of the effects related to one factor does not change across the levels of the second factor. 
D)  Because it involves a change in rank order,disordinal interaction is stronger than ordinal interaction. 
A)  In disordinal interactions of a crossover type,the relative effect of the levels of one factor changes with the levels of the other. 
B)  Disordinal interactions of a crossover type represent the weakest interactions. 
C)  In ordinal interaction,the rank order of the effects related to one factor does not change across the levels of the second factor. 
D)  Because it involves a change in rank order,disordinal interaction is stronger than ordinal interaction.

Question 19

________ is an ANOVA technique for examining the difference in the central tendencies of more than two groups when the dependent variable is measured on an ordinal scale.

Accepted Answer

A)  Contrasts 
B)  Repeated measures ANOVA 
C)  Nonmetric ANOVA 
D)  Multivariate analysis of variance (MANOV
A)  
A)  Contrasts 
B)  Repeated measures ANOVA 
C)  Nonmetric ANOVA 
D)  Multivariate analysis of variance (MANOV
A)

Question 20

In the ________,the categories or treatments are considered to be random samples from a universe of treatments.Inferences are made to other categories not examined in the analysis.

Accepted Answer

A)  fixed-effects model 
B)  random-effects model 
C)  standard-effects model 
D)  mixed-effects model 
A)  fixed-effects model 
B)  random-effects model 
C)  standard-effects model 
D)  mixed-effects model

Exam 16: Analysis of Variance and Covariance

Which statement is correct concerning one-way ANOVA?

Explain SSbetween,SSwithin,and SSy and their relationship.

The total variation in Y,denoted by SSy,can be decomposed into which two components?

In one-way ANOVA,separation of the variation observed in the dependent variable into the variation due to the independent variables plus the variation due to error is called ________.

When using n-way ANOVA the significance of the overall effect may be tested by a t test.

Important issues involved in the interpretation of ANOVA results include all of the following except ________.

When using SPSS Windows,for nonmetric analysis of variance,including the k-sample median test and Kruskal-Wallis one way analysis of variance,the program ________ should be used.

Which statement about MANOVA is not true?

The Kruskal-Wallis one-way analysis of variance also examines the difference in medians.

In determining how different price levels will affect a household's cereal consumption,it may be essential to take household size into account.This is best analyzed by ________.

List the procedure for conducting one-way analysis of variance.

In one-way ANOVA,the null hypothesis may be tested by ________.

A particular combination of factor levels,or categories,is called a treatment.

A covariate is a ________ independent variable used in ________.

The strength of the joint effect of two (or more)factors or the overall effect is known as ________.

Interactions occur when the effects of one factor on the dependent variable depend on the level (category)of the other factors.

Which statement is not true concerning interactions resulting from ANOVA?

________ is an ANOVA technique for examining the difference in the central tendencies of more than two groups when the dependent variable is measured on an ordinal scale.

In the ________,the categories or treatments are considered to be random samples from a universe of treatments.Inferences are made to other categories not examined in the analysis.

Introduction to Marketing Research

Defining the Marketing Research Problem and Developing an Approach

Research Design

Exploratory Research Design: Secondary Data

Exploratory Research Design: Qualitative Research

Descriptive Research Design: Survey and Observation

Casual Research Design: Experimentation

Measurement and Scaling: Fundamentals and Comparative Scaling

Measurement and Scaling: Non Comparative Scaling Techniques

Questionnaire and Form Design

Sampling: Design and Procedures

Sampling: Final and Initial Sample Size Determination

Fieldwork

Data Preparation

Frequency Distribution, cross-Tabulation, and Hypothesis Testing

Correlation and Regression

Discriminant and Logit Analysis

Factor Analysis

Cluster Analysis

Multidimensional Scaling and Conjoint Analysis

Structural Equation Modeling and Path Analysis

Report Preparation and Presentation

International Marketing Research

Filters

A covariate is a independent variable used in .