Question 1

In the formula for gamma,Ns represents the number of pairs of cases

Accepted Answer

A) in all similar cells. 
B) ranked the same on both variables. 
C) in all cells. 
D) that have the same score. 
A) in all similar cells. 
B) ranked the same on both variables. 
C) in all cells. 
D) that have the same score.

Question 2

Spearman's rho is appropriate for use with

Accepted Answer

A) continuous ordinal variables. 
B) variables whose categories have been collapsed. 
C) tables larger than 2x2. 
D) negative relationships only. 
A) continuous ordinal variables. 
B) variables whose categories have been collapsed. 
C) tables larger than 2x2. 
D) negative relationships only.

Question 3

Tests of significance based on gamma and Spearman's rho assume

Accepted Answer

A) random sampling. 
B) ordinal level of measurement. 
C) normal sampling distribution. 
D) all of the above 
A) random sampling. 
B) ordinal level of measurement. 
C) normal sampling distribution. 
D) all of the above

Question 4

Since gamma is a PRE measure,it tells us

Accepted Answer

A) the improvement in predicting the order of pairs of cases by taking the dependent variable (Y)into account. 
B) the improvement in predicting the order of pairs of cases by taking the independent variable (X)into account. 
C) how much better off we are by knowing the value of the independent variable. 
D) how much is gained by having full knowledge of both scores for each case. 
A) the improvement in predicting the order of pairs of cases by taking the dependent variable (Y)into account. 
B) the improvement in predicting the order of pairs of cases by taking the independent variable (X)into account. 
C) how much better off we are by knowing the value of the independent variable. 
D) how much is gained by having full knowledge of both scores for each case.

Question 5

A researcher has computed a gamma of -0.45 between marital happiness and number of children.What can she conclude?

Accepted Answer

A) families with more children are happier.This is a moderate relationship. 
B) children have a strong,positive influence on levels of marital happiness. 
C) there is a moderate,negative relationship between number of children and marital happiness. 
D) there is a weak,negative relationship between the variables. 
A) families with more children are happier.This is a moderate relationship. 
B) children have a strong,positive influence on levels of marital happiness. 
C) there is a moderate,negative relationship between number of children and marital happiness. 
D) there is a weak,negative relationship between the variables.

Question 6

In computing Spearman's rho,the sum of the D column must be

Accepted Answer

A) 1. 
B) N. 
C) 0. 
D) the mean rank squareD. 
A) 1. 
B) N. 
C) 0. 
D) the mean rank squareD.

Question 7

A researcher is interested in the relationship between social class (measured as upper,middle,or lower)and support (measured as strong,moderate,or weak)for a program of welfare reform.An appropriate measure of association for these two variables would be

Accepted Answer

A) Spearman's rho. 
B) Phi. 
C) Pearson's r. 
D) Gamma. 
A) Spearman's rho. 
B) Phi. 
C) Pearson's r. 
D) Gamma.

Question 8

A gamma computed on the relationship between marital happiness and amount of TV viewing is +0.78.This means that

Accepted Answer

A) if we know how pairs of couples compare on TV viewing,we would be 78% better off predicting their ranks on marital happiness. 
B) happily married couples don't watch TV. 
C) couples that watch a lot of TV tend to be unhappy. 
D) TV causes divorce. 
A) if we know how pairs of couples compare on TV viewing,we would be 78% better off predicting their ranks on marital happiness. 
B) happily married couples don't watch TV. 
C) couples that watch a lot of TV tend to be unhappy. 
D) TV causes divorce.

Question 9

For the relationship between social class and movie attendance,a researcher found a gamma of -0.45.This indicates that

Accepted Answer

A) as social class increases,so does movie attendance. 
B) rich people watch more movies than poor people. 
C) there is no relationship between these variables. 
D) people from higher social classes are less likely to attend movies. 
A) as social class increases,so does movie attendance. 
B) rich people watch more movies than poor people. 
C) there is no relationship between these variables. 
D) people from higher social classes are less likely to attend movies.

Question 10

A bivariate table has 723 pairs of cases ranked the same (Ns)and 1489 pairs of cases ranked differently (Nd).This is

Accepted Answer

A) a negative relationship. 
B) a positive relationship. 
C) a very weak relationship. 
D) impossible.These totals are mathematically impossible. 
A) a negative relationship. 
B) a positive relationship. 
C) a very weak relationship. 
D) impossible.These totals are mathematically impossible.

Question 11

To establish the critical area under the sampling distribution for Spearman's rho,we use

Accepted Answer

A) the Z distribution. 
B) the t distribution. 
C) the chi square distribution. 
D) the distribution of rho. 
A) the Z distribution. 
B) the t distribution. 
C) the chi square distribution. 
D) the distribution of rho.

Question 12

For a relationship involving education and library use,gamma was +0.37.This relationship is

Accepted Answer

A) weak and positive. 
B) strong and negative. 
C) moderate and positive. 
D) positive and weak. 
A) weak and positive. 
B) strong and negative. 
C) moderate and positive. 
D) positive and weak.

In the formula for gamma,N_s represents the number of pairs of cases

Spearman's rho is appropriate for use with

Tests of significance based on gamma and Spearman's rho assume

Since gamma is a PRE measure,it tells us

A researcher has computed a gamma of -0.45 between marital happiness and number of children.What can she conclude?

In computing Spearman's rho,the sum of the D column must be

A researcher is interested in the relationship between social class (measured as upper,middle,or lower)and support (measured as strong,moderate,or weak)for a program of welfare reform.An appropriate measure of association for these two variables would be

A gamma computed on the relationship between marital happiness and amount of TV viewing is +0.78.This means that

For the relationship between social class and movie attendance,a researcher found a gamma of -0.45.This indicates that

A bivariate table has 723 pairs of cases ranked the same (N_s)and 1489 pairs of cases ranked differently (N_d).This is

To establish the critical area under the sampling distribution for Spearman's rho,we use

For a relationship involving education and library use,gamma was +0.37.This relationship is

Introduction

Basic Descriptive Statistics: Percentages, Ratios and Rates, Tables, Charts and Graphs

Measures of Central Tendency

Measures of Dispersion

The Normal Curve

Introduction to Inferential Statistics: Sampling and the Sampling Distribution

Estimation Procedures

Hypothesis Testing I: the One-Sample Case

Hypothesis Testing II: the Two-Sample Case

Hypothesis Testing III: the Analysis of Variance

Hypothesis Testing Iv: Chi Square

Bivariate Association: Introduction and Basic Concepts

Association Between Variables Measured at the Nominal Level

Association Between Variables Measured at the Interval-Ratio Level

Elaborating Bivariate Tables

Partial Correlation and Multiple Regression and Correlation

Filters

Exam 14: Association Between Variables Measured at the Ordinal Level

In the formula for gamma,Ns represents the number of pairs of cases

Spearman's rho is appropriate for use with

Tests of significance based on gamma and Spearman's rho assume

Since gamma is a PRE measure,it tells us

A researcher has computed a gamma of -0.45 between marital happiness and number of children.What can she conclude?

In computing Spearman's rho,the sum of the D column must be

A researcher is interested in the relationship between social class (measured as upper,middle,or lower)and support (measured as strong,moderate,or weak)for a program of welfare reform.An appropriate measure of association for these two variables would be

A gamma computed on the relationship between marital happiness and amount of TV viewing is +0.78.This means that

For the relationship between social class and movie attendance,a researcher found a gamma of -0.45.This indicates that

A bivariate table has 723 pairs of cases ranked the same (Ns)and 1489 pairs of cases ranked differently (Nd).This is

To establish the critical area under the sampling distribution for Spearman's rho,we use

For a relationship involving education and library use,gamma was +0.37.This relationship is

Introduction

Basic Descriptive Statistics: Percentages, Ratios and Rates, Tables, Charts and Graphs

Measures of Central Tendency

Measures of Dispersion

The Normal Curve

Introduction to Inferential Statistics: Sampling and the Sampling Distribution

Estimation Procedures

Hypothesis Testing I: the One-Sample Case

Hypothesis Testing II: the Two-Sample Case

Hypothesis Testing III: the Analysis of Variance

Hypothesis Testing Iv: Chi Square

Bivariate Association: Introduction and Basic Concepts

Association Between Variables Measured at the Nominal Level

Association Between Variables Measured at the Interval-Ratio Level

Elaborating Bivariate Tables

Partial Correlation and Multiple Regression and Correlation

Filters

In the formula for gamma,N_s represents the number of pairs of cases

A bivariate table has 723 pairs of cases ranked the same (N_s)and 1489 pairs of cases ranked differently (N_d).This is