Learn to avoid 15 mental mistakes that distort your emotions and in turn further distort your thinking.
Concrete ideas to modify and expand this hack go here.
Freeform discussion of this hack goes here.
Cognitive distortions anyone? mentions the book and lists the top 10 cognitive distortions.
Errata go here.
This is a page for a hack from the book MindPerformanceHacks by Ron Hale-Evans.