Question 1

The Kappa statistic is used to determine intraclass correlation coefficients when the data are ordinal level.

Accepted Answer

A) True 
 B)False

Question 2

All other things being equal, a shorter test is more reliable than one with more items.

Accepted Answer

A) True 
 B)False

Question 3

A researcher wants to determine internal consistency for the items on a personality assessment tool he has developed. Which of the following is true?

Accepted Answer

A)  He must correlate different administrations of the same instrument 
B)  He can correlate two halves of the same test 
C)  He can compare the odd items with the even items 
D)  b and c 
A)  He must correlate different administrations of the same instrument 
B)  He can correlate two halves of the same test 
C)  He can compare the odd items with the even items 
D)  b and c

Question 4

What is the relationship between the observed score, the true score, and error?

Accepted Answer

The observed score i

Question 5

Interobserver reliability is frequently used in research to establish agreement between two or more observers.

Accepted Answer

A) True 
 B)False

Question 6

Measurement reliability influences the accurate assessment of a study's results.

Accepted Answer

A) True 
 B)False

Question 7

An r of .65 is acceptable when establishing parallel forms reliability.

Accepted Answer

A) True 
 B)False

Question 8

An assessment tool with high measurement reliability:

Accepted Answer

A)  Decreases the amount of error variance in an observed score 
B)  Decreases the amount of systematic variation in an observed score 
C)  Has a low correlation coefficient 
D)  Has no relation between the true and observed scores 
A)  Decreases the amount of error variance in an observed score 
B)  Decreases the amount of systematic variation in an observed score 
C)  Has a low correlation coefficient 
D)  Has no relation between the true and observed scores

Question 9

Is Cronbach's alpha an indicator of whether a scale is unidimensional? Why or why not?

Accepted Answer

No. Although it is a measure o

The Kappa statistic is used to determine intraclass correlation coefficients when the data are ordinal level.

All other things being equal, a shorter test is more reliable than one with more items.

A researcher wants to determine internal consistency for the items on a personality assessment tool he has developed. Which of the following is true?

What is the relationship between the observed score, the true score, and error?

Interobserver reliability is frequently used in research to establish agreement between two or more observers.

Measurement reliability influences the accurate assessment of a study's results.

An r of .65 is acceptable when establishing parallel forms reliability.

An assessment tool with high measurement reliability:

Is Cronbach's alpha an indicator of whether a scale is unidimensional? Why or why not?

Definitions, Purposes, and Dimensions of Research

Planning a Quantitative Research Project

Variables, Research Questions, and Hypotheses

Research Approaches

Randomized Experimental and Quasi-Experimental Designs

Single-Subject Designs

Nonexperimental Approachesdesigns

Internal Validity

Sampling and Introduction to External Validity

Measurement and Descriptive Statistics

Measurement Validity

Types of Data Collection Techniques

Ethical Issues in Conducting the Study

Practical Issues in Data Collection and Coding

Making Inferences From Sample Data I: The Null Hypothesis Significance Testing Approach

Making Inferences From Sample Data II: the Evidence-Based Approach

General Design Classifications for Selection of Difference Statistical Methods

Selection of Appropriate Statistical Methods: Integration of Design and Analysis

Data Analysis and Interpretation: Basic Difference Questions

Analysis and Interpretation of Basic Associational Research Questions

Analysis and Interpretation of Complex Research Questions

Evaluating Research Validity: Part I

Evaluating Research Validity: Part II

Evaluating Research for Evidence-Based Practice

Writing the Research Report

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Exam 11: Measurement Reliability

The Kappa statistic is used to determine intraclass correlation coefficients when the data are ordinal level.

All other things being equal, a shorter test is more reliable than one with more items.

A researcher wants to determine internal consistency for the items on a personality assessment tool he has developed. Which of the following is true?

What is the relationship between the observed score, the true score, and error?

Interobserver reliability is frequently used in research to establish agreement between two or more observers.

Measurement reliability influences the accurate assessment of a study's results.

An r of .65 is acceptable when establishing parallel forms reliability.

An assessment tool with high measurement reliability:

Is Cronbach's alpha an indicator of whether a scale is unidimensional? Why or why not?

Definitions, Purposes, and Dimensions of Research

Planning a Quantitative Research Project

Variables, Research Questions, and Hypotheses

Research Approaches

Randomized Experimental and Quasi-Experimental Designs

Single-Subject Designs

Nonexperimental Approachesdesigns

Internal Validity

Sampling and Introduction to External Validity

Measurement and Descriptive Statistics

Measurement Validity

Types of Data Collection Techniques

Ethical Issues in Conducting the Study

Practical Issues in Data Collection and Coding

Making Inferences From Sample Data I: The Null Hypothesis Significance Testing Approach

Making Inferences From Sample Data II: the Evidence-Based Approach

General Design Classifications for Selection of Difference Statistical Methods

Selection of Appropriate Statistical Methods: Integration of Design and Analysis

Data Analysis and Interpretation: Basic Difference Questions

Analysis and Interpretation of Basic Associational Research Questions

Analysis and Interpretation of Complex Research Questions

Evaluating Research Validity: Part I

Evaluating Research Validity: Part II

Evaluating Research for Evidence-Based Practice

Writing the Research Report

Filters