Web Resources

This site provides an excellent summary of existing theories and models, including Behaviorist Theories, Cognitivist Theories, Constructivist, Social, and Situational Theories, and Motivational and Humanist Theories to name a few.

About.com Psychology
This website discusses examples of important psychological theories as related to the study of the human mind and behavior.

Research Methods Knowledge Base
This source examines the concept of a variable, providing types of variables along with examples.

University of Wisconsin
As related to the latter half of chapter 2, this site provides a discussion of logic models, along with a template and illustration of how to create one.