Question 1

Explain the difference between discrete and continuous variables.

Accepted Answer

A discrete variable consists of whole nu

Question 2

Discrete variables are to _____ and continuous variables are to _____.​

Accepted Answer

A) whole units; whole units and/or fractional amounts 
B) whole units and/or fractional amounts; whole units​ 
C) usually nominal and ordinal scales; usually interval and ratio scales 
D) whole units and usually nominal and ordinal scales; whole units and/or fractional amounts and usually interval and ratio scales 
A) whole units; whole units and/or fractional amounts 
B) whole units and/or fractional amounts; whole units​ 
C) usually nominal and ordinal scales; usually interval and ratio scales 
D) whole units and usually nominal and ordinal scales; whole units and/or fractional amounts and usually interval and ratio scales

Question 3

_____ validity is the extent to which a measuring instrument accurately predicts behavior or ability in a given area.​

Accepted Answer

A) Content 
B) Face 
C) Criterion 
D) Construct 
A) Content 
B) Face 
C) Criterion 
D) Construct

Question 4

When applying for a part-time job at the local supermarket, Bob was given a test to determine how well he would bag groceries. The next week Bob took the SAT in order to satisfy a college admissions requirement. The test at the supermarket was a measure of _____ validity whereas the SAT was a measure of _____ validity.

Accepted Answer

A) concurrent; predictive 
B) predictive; concurrent 
C) construct; predictive 
D) content; concurrent 
A) concurrent; predictive 
B) predictive; concurrent 
C) construct; predictive 
D) content; concurrent

Question 5

Number on a football jersey is to the _____ scale of measurement and temperature measured on the Fahrenheit scale is to the _____ scale of measurement.​

Accepted Answer

A) ordinal; interval 
B) interval; nominal 
C) nominal; ratio 
D) nominal; interval 
A) ordinal; interval 
B) interval; nominal 
C) nominal; ratio 
D) nominal; interval

Question 6

_____ validity is the degree to which a measuring instrument accurately measures a theoretical construct or trait that is it designed to measure.​

Accepted Answer

A) Content 
B) Face 
C) Criterion 
D) Construct 
A) Content 
B) Face 
C) Criterion 
D) Construct

Question 7

A property of measurement in which the ordering of numbers reflects the ordering of the variable is

Accepted Answer

A) identity. 
B) magnitude. 
C) equal unit size. 
D) absolute zero. 
A) identity. 
B) magnitude. 
C) equal unit size. 
D) absolute zero.

Question 8

Which of the following statements is NOT true?

Accepted Answer

A) Content validity is the extent to which a measuring instrument covers a representative sample of the domain of behaviors to be measured. 
B) Criterion validity is the extent to which a measuring instrument accurately predicts behavior or ability in a given area. 
C) Construct validity is the degree to which a measuring instrument accurately measures a theoretical construct or trait that it is designed to measure. 
D) Face validity is a measure of the truthfulness of a measuring instrument. 
A) Content validity is the extent to which a measuring instrument covers a representative sample of the domain of behaviors to be measured. 
B) Criterion validity is the extent to which a measuring instrument accurately predicts behavior or ability in a given area. 
C) Construct validity is the degree to which a measuring instrument accurately measures a theoretical construct or trait that it is designed to measure. 
D) Face validity is a measure of the truthfulness of a measuring instrument.

Question 9

Which of the following correlation coefficients represents the variables with the weakest degree of relationship?​

Accepted Answer

A) ‑1.00 
B) ‑0.69 
C) +0.76 
D) +0.10 
A) ‑1.00 
B) ‑0.69 
C) +0.76 
D) +0.10

Question 10

A scale of measurement in which the units of measurement between the numbers on the scale are all equal in size is a(n) _____ scale.​

Accepted Answer

A) nominal 
B) ordinal 
C) interval 
D) ratio 
A) nominal 
B) ordinal 
C) interval 
D) ratio

Question 11

A property of measurement in which a difference of 1 is the same amount throughout the entire scale is

Accepted Answer

A) Magnitude. 
B) magnitude. 
C) equal unit size. 
D) absolute zero. 
A) Magnitude. 
B) magnitude. 
C) equal unit size. 
D) absolute zero.

Question 12

Which of the following is not a type of validity?​

Accepted Answer

A) content validity 
B) split-half validity 
C) criterion validity 
D) construct validity 
A) content validity 
B) split-half validity 
C) criterion validity 
D) construct validity

Question 13

_____ is an indication of the consistency or stability of a measuring instrument.​

Accepted Answer

A) Validity 
B) Reliability 
C) The true score 
D) A correlation 
A) Validity 
B) Reliability 
C) The true score 
D) A correlation

Question 14

Which of the following represents data arranged on an interval-ratio scale?

Accepted Answer

A) ranking of contestants in a beauty contest 
B) reaction time in seconds to complete a task 
C) categorizing subjects according to their gender 
D) letter grade on an exam 
A) ranking of contestants in a beauty contest 
B) reaction time in seconds to complete a task 
C) categorizing subjects according to their gender 
D) letter grade on an exam

Question 15

_____ reliability is determined by assessing the degree of relationship between scores on two equivalent tests.​

Accepted Answer

A) Test/retest ​ 
B) Alternate-forms 
C) Split-half 
D) Interrater 
A) Test/retest ​ 
B) Alternate-forms 
C) Split-half 
D) Interrater

Question 16

_____ reliability is determined by assessing the degree of relationship between scores on the same test administered on two different occasions.​

Accepted Answer

A) Test/retest 
B) Alternate-forms 
C) Split-half 
D) Interrater 
A) Test/retest 
B) Alternate-forms 
C) Split-half 
D) Interrater

Question 17

What is an operational definition? Give an operational definition of intelligence.​

Accepted Answer

​An operational definition is a definiti

Question 18

Identify and briefly describe two types of validity.

Accepted Answer

​Content validity: The extent to which a

Question 19

How do we establish content and construct validity?

Accepted Answer

Content validity: We ask experts to asse

Question 20

A scale of measurement in which objects or individuals are assigned to categories that have no numerical properties is a(n) _____ scale.​

Accepted Answer

A) nominal 
B) ordinal 
C) interval 
D) ratio 
A) nominal 
B) ordinal 
C) interval 
D) ratio

Explain the difference between discrete and continuous variables.

Discrete variables are to _ and continuous variables are to _.

_____ validity is the extent to which a measuring instrument accurately predicts behavior or ability in a given area.

Number on a football jersey is to the _ scale of measurement and temperature measured on the Fahrenheit scale is to the _ scale of measurement.

_____ validity is the degree to which a measuring instrument accurately measures a theoretical construct or trait that is it designed to measure.

A property of measurement in which the ordering of numbers reflects the ordering of the variable is

Which of the following statements is NOT true?

Which of the following correlation coefficients represents the variables with the weakest degree of relationship?

A scale of measurement in which the units of measurement between the numbers on the scale are all equal in size is a(n) _____ scale.

A property of measurement in which a difference of 1 is the same amount throughout the entire scale is

Which of the following is not a type of validity?

_____ is an indication of the consistency or stability of a measuring instrument.

Which of the following represents data arranged on an interval-ratio scale?

_____ reliability is determined by assessing the degree of relationship between scores on two equivalent tests.

_____ reliability is determined by assessing the degree of relationship between scores on the same test administered on two different occasions.

What is an operational definition? Give an operational definition of intelligence.

Identify and briefly describe two types of validity.

How do we establish content and construct validity?

A scale of measurement in which objects or individuals are assigned to categories that have no numerical properties is a(n) _____ scale.

Thinking Like a Scientist

Getting Started

Descriptive Methods

Data Organization and Descriptive Statistics

Correlational Methods and Statistics

Probability and Hypothesis Testing

Introduction to Inferential Statistics

Experimental Design and Analysis I

Experimental Design and Analysis II

Experimental Design and Analysis III

Experimental Design and Analysis Iv

Quasi Experimental and Single Case Designs

Nonparametric Inferential Statistics

APA Communication Guidelines

Filters

Exam 3: Defining Measuring and Manipulating Variables

Explain the difference between discrete and continuous variables.

Discrete variables are to _____ and continuous variables are to _____.​

_____ validity is the extent to which a measuring instrument accurately predicts behavior or ability in a given area.​

Number on a football jersey is to the _____ scale of measurement and temperature measured on the Fahrenheit scale is to the _____ scale of measurement.​

_____ validity is the degree to which a measuring instrument accurately measures a theoretical construct or trait that is it designed to measure.​

A property of measurement in which the ordering of numbers reflects the ordering of the variable is

Which of the following statements is NOT true?

Which of the following correlation coefficients represents the variables with the weakest degree of relationship?​

A scale of measurement in which the units of measurement between the numbers on the scale are all equal in size is a(n) _____ scale.​

A property of measurement in which a difference of 1 is the same amount throughout the entire scale is

Which of the following is not a type of validity?​

_____ is an indication of the consistency or stability of a measuring instrument.​

Which of the following represents data arranged on an interval-ratio scale?

_____ reliability is determined by assessing the degree of relationship between scores on two equivalent tests.​

_____ reliability is determined by assessing the degree of relationship between scores on the same test administered on two different occasions.​

What is an operational definition? Give an operational definition of intelligence.​

Identify and briefly describe two types of validity.

How do we establish content and construct validity?

A scale of measurement in which objects or individuals are assigned to categories that have no numerical properties is a(n) _____ scale.​

Thinking Like a Scientist

Getting Started

Descriptive Methods

Data Organization and Descriptive Statistics

Correlational Methods and Statistics

Probability and Hypothesis Testing

Introduction to Inferential Statistics

Experimental Design and Analysis I

Experimental Design and Analysis II

Experimental Design and Analysis III

Experimental Design and Analysis Iv

Quasi Experimental and Single Case Designs

Nonparametric Inferential Statistics

APA Communication Guidelines

Filters

Discrete variables are to _ and continuous variables are to _.

_____ validity is the extent to which a measuring instrument accurately predicts behavior or ability in a given area.

Number on a football jersey is to the _ scale of measurement and temperature measured on the Fahrenheit scale is to the _ scale of measurement.

_____ validity is the degree to which a measuring instrument accurately measures a theoretical construct or trait that is it designed to measure.

Which of the following correlation coefficients represents the variables with the weakest degree of relationship?

A scale of measurement in which the units of measurement between the numbers on the scale are all equal in size is a(n) _____ scale.

Which of the following is not a type of validity?

_____ is an indication of the consistency or stability of a measuring instrument.

_____ reliability is determined by assessing the degree of relationship between scores on two equivalent tests.

_____ reliability is determined by assessing the degree of relationship between scores on the same test administered on two different occasions.

What is an operational definition? Give an operational definition of intelligence.

A scale of measurement in which objects or individuals are assigned to categories that have no numerical properties is a(n) _____ scale.