NLP or Neurolinguistic Programming

This site provides useful information on the background and application of NLP.
http://www.anlp.org/

 

Myers Briggs or MBTI personality type indicator 

These sites provide an explanation of Myers Briggs development and use.
http://www.myersbriggs.org/my-mbti-personality-type/mbti-basics/
http://www.personneltoday.com/articles/2007/04/17/40735/the-myers-briggs-type-indicator-fit-for-what-purpose.html

 

Steven Covey 

This site connects to Dr. Stephen Covey’s website which explains the 7 Habits of Highly Effective People.
 https://www.stephencovey.com/