Question 1

Which is NOT a formal name or a variation name of Pearson r?

Accepted Answer

A)  Person product-moment correlation coefficient 
B)  Pearson correlation coefficient 
C)  Product-moment correlation coefficient 
D)  r 
A)  Person product-moment correlation coefficient 
B)  Pearson correlation coefficient 
C)  Product-moment correlation coefficient 
D)  r D

Question 2

What does an r of -1.00 indicate?

Accepted Answer

A)  A perfect inverse relationship 
B)  A perfect direct relationship 
C)  The strongest possible direct relationship 
D)  A complete absence of a relationship 
A)  A perfect inverse relationship 
B)  A perfect direct relationship 
C)  The strongest possible direct relationship 
D)  A complete absence of a relationship A

Question 3

Put the following correlation coefficients in order from the lowest to the highest coefficient.
 $\begin{array}{llll}
-.24 & .20 & -.90 & .70
\end{array}$

$\begin{array}{llll}
\underline {  \quad\quad\quad\quad\quad,   } & \underline {  \quad\quad\quad\quad\quad,   } & \underline {  \quad\quad\quad\quad\quad,   } &  \underline {  \quad\quad\quad\quad\quad} 
\end{array}$

Accepted Answer

.20 , -.24 , .70 , -.90

Question 4

What would you expect among the three options listed below in a test reliability coefficient where the same test is administered twice to a group of participants without any change between administrations of the test?

Accepted Answer

A)  A high value r of .75 
B)  A low value of r of .20 
C)  A zero correlation 
A)  A high value r of .75 
B)  A low value of r of .20 
C)  A zero correlation

Question 5

What does an r of 0.00 indicate?

Accepted Answer

A)  A perfect inverse relationship 
B)  A perfect direct relationship 
C)  The strongest possible direct relationship 
D)  A complete absence of a relationship 
A)  A perfect inverse relationship 
B)  A perfect direct relationship 
C)  The strongest possible direct relationship 
D)  A complete absence of a relationship

Question 6

A r of .50 does not yield 50%.

Accepted Answer

A) True 
 B)False

Which is NOT a formal name or a variation name of Pearson r?

What does an r of -1.00 indicate?

Put the following correlation coefficients in order from the lowest to the highest coefficient. -.24 .20 -.90 .70

What would you expect among the three options listed below in a test reliability coefficient where the same test is administered twice to a group of participants without any change between administrations of the test?

What does an r of 0.00 indicate?

A r of .50 does not yield 50%.

The Empirical Approach to Knowledge

Types of Empirical Research

Scales of Measurement

Descriptive, Correlational, and Inferential Statistics

Introduction to Sampling

Variations on Random Sampling

Sample Size

Standard Error of the Mean

Frequencies, Percentages, and Proportions

Shapes of Distributions

The Mean: An Average

Mean, Median, and Mode

Range and Interquartile Range

Standard Deviation

Z-Score

Correlation

Scattergram

Introduction to Hypothesis Testing

Decisions About the Null Hypothesis

Introduction to the T-Test

Independent Samples T-Test

Dependent Samples T-Test

One Sample T-Test

Reports of the Results of T-Tests

One-Way Anova

Two-Way Anova

Chi-Square Test

Limitations of Significance Testing

Effect Size

Coefficient of Determination

Multiple Correlation

Simple and Multiple Regression

Filters

Exam 17: Pearson-R

Which is NOT a formal name or a variation name of Pearson r?

What does an r of -1.00 indicate?

Put the following correlation coefficients in order from the lowest to the highest coefficient. -.24 .20 -.90 .70

What would you expect among the three options listed below in a test reliability coefficient where the same test is administered twice to a group of participants without any change between administrations of the test?

What does an r of 0.00 indicate?

A r of .50 does not yield 50%.

The Empirical Approach to Knowledge

Types of Empirical Research

Scales of Measurement

Descriptive, Correlational, and Inferential Statistics

Introduction to Sampling

Variations on Random Sampling

Sample Size

Standard Error of the Mean

Frequencies, Percentages, and Proportions

Shapes of Distributions

The Mean: An Average

Mean, Median, and Mode

Range and Interquartile Range

Standard Deviation

Z-Score

Correlation

Scattergram

Introduction to Hypothesis Testing

Decisions About the Null Hypothesis

Introduction to the T-Test

Independent Samples T-Test

Dependent Samples T-Test

One Sample T-Test

Reports of the Results of T-Tests

One-Way Anova

Two-Way Anova

Chi-Square Test

Limitations of Significance Testing

Effect Size

Coefficient of Determination

Multiple Correlation

Simple and Multiple Regression

Filters