Bibliography
1999 Self-Reflection Studies by Gustafson and Bennett: http://www.nwlink.com/~donclark/hrd/development/reflection.html#Interpersonal
Dr. Debra Johnson and John Wiebe, Cerebral Blood Flow and Personality: http://psychiatryonline.org/data/Journals/AJP/3697/252.pdf
TED Talk by Jason Fried: http://www.ted.com/talks/jason_fried_why_work_doesn_t_happen_at_work.html
Willingness to Communicate, Communication Apprehension, Introversion and Self-reported Communication Competence: http://www.as.wvu.edu/~richmond/articles/kuparinen-will.pdf
International Listening Association: http://www.listen.org/
UCSB Study Reveals That Overthinking Can Be Detrimental to Human Performance: http://www.ia.ucsb.edu/pa/display.aspx?pkey=3080