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This Web site provides definitions of major theoretical constructs employed in health behavior research, and information about the best measures of these constructs. This resource is designed for health behavior researchers in public health, health communications, nursing, psychology, and related fields.


New to constructs and measures? Learn more from the following topics:

What are constructs?
What are theories?
About this project
Published examples

Dispositional Optimism
Illness Representations
Implementation Intentions
Intention, Expectation, and Willingness
Normative Beliefs
Optimistic Bias
Perceived Benefits
Perceived Control
Perceived Severity
Perceived Vulnerability
Self-Reported Behavior
Social Influence
Social Support

Last Updated: April 28, 2008

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