Critical Thinking: What It Is and Why It Counts

http://www.insightassessment.com/pdf_files/what&why98.pdf

An essay discussing the importance of critical thinking

HumanityQuest.com Self-Discipline Home Page

http://humanityquest.com/topic/Index.asp?theme1=self-discipline

A Web site containing links to quotations, definitions, etymology, stories, discussions, and art on the topic of self-discipline

A Lexicon of Decision Making

http://decision-analysis.society.informs.org/Field/FieldLexicon.html

Interesting scholarly document on words used in decision-making from the Decision Analysis Society

Look Before You Leap

http://www.psych-net.com/test/impulse-test.html

An article on impulse control from a business-management Web site