Mara Harrell’s Website


Personal Professional

Kiera’s Latest Pictures:

Our Land:

Lindy’s Place for Art Lessons, Art Classes, and Art Workshops in Albuquerque — Ceramics, Bronze Casting, Sculpture, and More!

THE STUDIO (Click on the link to see all the exciting things going on!)


Rapa Nui (Easter Island)



January 2008

“Argument Mapping Improves Critical Thinking Skills” Centre for the Study of Argumentation in the School of Human Sciences and Education, Universidad Diego Portales, Santiago, Chile, International Conference Logic, Argumentation and Critical Thinking 

July 2007

“Critical Thinking and Argument Diagrams” Keynote Address at the 5th International Conference on Education and Information Systems, Technologies and Applications

Recent Publications

“No Computer Program Required: Even Pencil-and-Paper Argument Mapping Improves Critical Thinking Skills” (forthcoming) Teaching Philosophy.

Works in Progress

Arguing for Truth: An Introduction to Philosophy Textbook