Question 1

The partial correlation coefficient will reveal an interactive relationship between three variables when

Accepted Answer

A)  the partial correlation coefficients drops to zero 
B)  the partial is greater in value than the zero-order correlation coefficient 
C)  the partial correlation coefficient is negative 
D)  none of the above. Partial correlation will not detect interaction 
A)  the partial correlation coefficients drops to zero 
B)  the partial is greater in value than the zero-order correlation coefficient 
C)  the partial correlation coefficient is negative 
D)  none of the above. Partial correlation will not detect interaction

Question 2

In the

Accepted Answer

A)  partial slope 
B)  slope of X and Y 
C)  beta slope of X and Z 
D)  Y intercept 
A)  partial slope 
B)  slope of X and Y 
C)  beta slope of X and Z 
D)  Y intercept

Question 3

An analysis of the relationship between income and education found a correlation of 0.43. After controlling for age, the partial correlation was 0.43. The relationship between income and education seems to be

Accepted Answer

A)  direct 
B)  spurious 
C)  intervening 
D)  interactive 
A)  direct 
B)  spurious 
C)  intervening 
D)  interactive

Question 4

One advantage of the technique of

Accepted Answer

A)  combined... independents 
B)  separate... independents 
C)  combined... control 
D)  separate... dependents 
A)  combined... independents 
B)  separate... independents 
C)  combined... control 
D)  separate... dependents

Question 5

After scores have been standardized, the value of a (the Y-intercept) will always be

Accepted Answer

A)  1 
B)  0 
C)  b1 - b2 
D)  R² 
A)  1 
B)  0 
C)  b1 - b2 
D)  R²

Question 6

Which of the following would be consistent with a causal model in which X and Z had independent and uncorrelated causal effects on Y?

Accepted Answer

A)  Pearson's r is .37, partial correlation coefficient is .36 
B)  Pearson's r is .30, partial correlation coefficient is .50 
C)  Pearson's r is -.10, partial correlation coefficient is -.01 
D)  Pearson's r is -.41 partial correlation coefficient is .00 
A)  Pearson's r is .37, partial correlation coefficient is .36 
B)  Pearson's r is .30, partial correlation coefficient is .50 
C)  Pearson's r is -.10, partial correlation coefficient is -.01 
D)  Pearson's r is -.41 partial correlation coefficient is .00

Question 7

Standardized partial slopes can be computed by

Accepted Answer

A)  converting all scores to Z scores 
B)  converting all scores to percentages 
C)  converting the partial slopes to Z scores 
D)  taking a percentage of the partial slopes 
A)  converting all scores to Z scores 
B)  converting all scores to percentages 
C)  converting the partial slopes to Z scores 
D)  taking a percentage of the partial slopes

Question 8

The coefficient of

Accepted Answer

A)  the amount of variation explained by X1 plus the amount of variation explained by X2 after controlling for the effect of X1 
B)  the amount of variation explained by X1 minus the amount of variation unexplained by X2 
C)  the total variation in Y minus the amount unexplained by X1 after controlling for X2 
D)  the sum of all explained and unexplained variation in X1 and X2 
A)  the amount of variation explained by X1 plus the amount of variation explained by X2 after controlling for the effect of X1 
B)  the amount of variation explained by X1 minus the amount of variation unexplained by X2 
C)  the total variation in Y minus the amount unexplained by X1 after controlling for X2 
D)  the sum of all explained and unexplained variation in X1 and X2

The partial correlation coefficient will reveal an interactive relationship between three variables when

In the

An analysis of the relationship between income and education found a correlation of 0.43. After controlling for age, the partial correlation was 0.43. The relationship between income and education seems to be

One advantage of the technique of

After scores have been standardized, the value of a (the Y-intercept) will always be

Which of the following would be consistent with a causal model in which X and Z had independent and uncorrelated causal effects on Y?

Standardized partial slopes can be computed by

The coefficient of

Introduction

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

Measures of Central Tendency

Measures of Dispersion

The Normal Curve

Introduction to Inferential Statistics Sampling the Sampling Distribution

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 for Nominal- and Ordinal-Level Variables

Association Between Variables Measured at the Interval-Ratio Level

Filters

Exam 13: Partial Correlation and

The partial correlation coefficient will reveal an interactive relationship between three variables when

In the

An analysis of the relationship between income and education found a correlation of 0.43. After controlling for age, the partial correlation was 0.43. The relationship between income and education seems to be

One advantage of the technique of

After scores have been standardized, the value of a (the Y-intercept) will always be

Which of the following would be consistent with a causal model in which X and Z had independent and uncorrelated causal effects on Y?

Standardized partial slopes can be computed by

The coefficient of

Introduction

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

Measures of Central Tendency

Measures of Dispersion

The Normal Curve

Introduction to Inferential Statistics Sampling the Sampling Distribution

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 for Nominal- and Ordinal-Level Variables

Association Between Variables Measured at the Interval-Ratio Level

Filters