Survey Scales
A Guide to Development, Analysis, and Reporting
Robert L. Johnson and Grant B. Morgan
Introduction
An Overview of the Survey Scale Development Process
Attitudes, Knowledge, and Behaviors
Key Qualities of a Survey Scale: Reliability and Validity
Further Reading
Chapter Exercises
2. Adopting or Adapting an Existing Scale
Introduction
Reviewing Potential Instruments for Adoption or Adaptation
The Mental Measurements Yearbook: A Source for Reviews of Instruments
Plagiarism and Copyright Infringement
Further Reading
Chapter Exercises
3. Establishing a Framework for the Development of a Survey Scale
Introduction
Elements and Format
Functions of the Conceptual Framework in the Development of a Survey Scale
Construction of a Conceptual Framework
Further Reading
Chapter Exercises
4. Item-Writing Guidelines
Introduction
Addressing Relevance
Addressing Audience
Addressing Language
Addressing Item Structure
Addressing Conventions
Guidelines Specific to Item Type
Number of Items
Further Reading
Chapter Exercises
5. Development of Response Scales
Introduction
Length of the Item Response Scale
Numeric and Verbal Response Labels
The Questionable Middle Position
Further Reading
Chapter Exercises
6. Formatting and Reviewing
Introduction
Survey Format and Administration Method
Item Formats Specific to Administration Methods
Complete Reviews and a Pilot of the Survey Scale
Further Reading
Chapter Exercises
7. Analysis of Survey Scale Data
Introduction
Levels of Measurement
Frequencies
Measures of Central Tendency
Measures of Variability
Measures of Association
Obtaining Descriptive Statistics
Further Reading
Chapter Exercises
8. Investigating Scale Quality
Introduction
Field Testing
Response Distributions: Item Quality
Investigating Reliability
Investigating Validity
Further Reading
Chapter Exercises
9. Factor Analysis
Introduction
General Purposes and Processes Associated with Factor-Analytic Procedures
Testing Assumptions
Dimensionality
Extraction: Principal Axis Factoring
Determining the Number of Factors (Model Selection)
Rotation
How to Interpret Factor Solutions
Calculating Factor Scores
Sample Size
Steps after EFA
How to Obtain an EFA Model
Further Reading
Chapter Exercises
10. Documenting the Development of the Survey Scale
Introduction
Determining the Need for a Data Display
Developing Tables
Table Structure
Table Data
Developing Graphs
Structure of a Graph
Organization of Data in a Graph
Narrative about Table or Graph
Concluding Thoughts
Further Reading
Chapter Exercises
Appendix. Analysis of Data: Inferential Statistics
Introduction
Sampling
Inferential Statistics
Inferential Procedures
Nonparametric Inferential Statistics
Further Reading
Appendix Exercises
Sample Solutions to Chapter Exercises
Glossary of Key Terms
References
Author Index
Subject Index
About the Authors