Question 1

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 2

________ is a measure of variation in Y that is explained by the independent variable X.

Accepted Answer

A) eta2 (η2) 
B) SSx 
C) SSy 
D) SSwithin 
A) eta2 (η2) 
B) SSx 
C) SSy 
D) SSwithin

Question 3

ANOVA and ANCOVA can include more than one independent variable and at least one of the independent variables must be categorical.

Accepted Answer

A) True 
 B)False

Question 4

Also referred to as SSerror,________ is the variation in Y due to the variation within each of the categories of X.This variation is not accounted for by X.

Accepted Answer

A) SSx 
B) SSwithin 
C) SSbetween 
D) SSy 
A) SSx 
B) SSwithin 
C) SSbetween 
D) SSy

Question 5

Which step are you on in the procedure for conducting one-way analysis of variance if you are decomposing SSy into two components using the equation SSy = SSbetween + SSwithin?

Accepted Answer

A) decompose the total variation 
B) measure the effects 
C) test the significance 
D) interpret the results 
A) decompose the total variation 
B) measure the effects 
C) test the significance 
D) interpret the results

Question 6

SSbetween is also denoted as SSy.

Accepted Answer

A) True 
 B)False

Question 7

At what point does ω2 begin to represent a larger experimental effect?

Accepted Answer

A) .25 
B) .15 
C) .10 
D) .06 
A) .25 
B) .15 
C) .10 
D) .06

Question 8

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

Accepted Answer

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

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

Question 10

A statistical technique for examining the differences among means for two or more populations is called ________.

Accepted Answer

A) chi-square 
B) analysis of variance (ANOV
A)  
C) cross-tabulation 
D) independent samples t test 
A) chi-square 
B) analysis of variance (ANOV
A)  
C) cross-tabulation 
D) independent samples t test

Question 11

SSS1U1B1withinS1U1B0 is the variation in Y related to the variation within each category of X.

Accepted Answer

A) True 
 B)False

Question 12

A major advantage of ________ is that it enables the researcher to examine interactions between the factors.

Accepted Answer

A) one-way ANOVA 
B) n-way ANOVA 
C) t tests 
D) tests 
A) one-way ANOVA 
B) n-way ANOVA 
C) t tests 
D) tests

Question 13

What are the general steps involved in performing an ANCOVA?

Accepted Answer

1.Remove variation in the dependent vari

Question 14

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

Question 15

Omega squared,ω2,indicates what proportion of the variation in the dependent variable is related to a particular independent variable or factor.

Accepted Answer

A) True 
 B)False

Question 16

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

Accepted Answer

A) True 
 B)False

Question 17

The n-way ANOVA considered assumes that the design was orthogonal,or balanced (the number of cases in each cell was the same).

Accepted Answer

A) True 
 B)False

Question 18

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

Question 19

The null hypothesis for ANOVA is that all means are not equal.

Accepted Answer

A) True 
 B)False

Question 20

The ________ refers to the fact that ordinarily the assumption in analysis of variance that the categories of the independent variable are fixed.

Accepted Answer

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

Exam 16: Analysis of Variance and Covariance

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

________ is a measure of variation in Y that is explained by the independent variable X.

ANOVA and ANCOVA can include more than one independent variable and at least one of the independent variables must be categorical.

Also referred to as SSerror,________ is the variation in Y due to the variation within each of the categories of X.This variation is not accounted for by X.

Which step are you on in the procedure for conducting one-way analysis of variance if you are decomposing SSy into two components using the equation SSy = SSbetween + SSwithin?

SSbetween is also denoted as SSy.

At what point does ω2 begin to represent a larger experimental effect?

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

A statistical technique for examining the differences among means for two or more populations is called ________.

SSwithin is the variation in Y related to the variation within each category of X.

A major advantage of ________ is that it enables the researcher to examine interactions between the factors.

What are the general steps involved in performing an ANCOVA?

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.

Omega squared,ω2,indicates what proportion of the variation in the dependent variable is related to a particular independent variable or factor.

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

The n-way ANOVA considered assumes that the design was orthogonal,or balanced (the number of cases in each cell was the same).

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 ________.

The null hypothesis for ANOVA is that all means are not equal.

The ________ refers to the fact that ordinarily the assumption in analysis of variance that the categories of the independent variable are fixed.

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

Causal Research Design: Experimentation

Measurement and Scaling: Fundamentals and Comparative Scaling

Measurement and Scaling: Noncomparative 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

Filters

Also referred to as SS_error,________ is the variation in Y due to the variation within each of the categories of X.This variation is not accounted for by X.

Which step are you on in the procedure for conducting one-way analysis of variance if you are decomposing SSy into two components using the equation SSy = SS_between+ SS_within?

SS_betweenis also denoted asSS_y.

At what point does ω² begin to represent a larger experimental effect?

SS_within is the variation in Y related to the variation within each category of X.

Omega squared,ω²,indicates what proportion of the variation in the dependent variable is related to a particular independent variable or factor.