Dr. Van K. Tharp-The Psychology of Trading
Dr. Van K. Tharp is a research psychologist who received his Ph.D. from the University of Oklahoma, Health
Sciences Center, in 1975. He has spent his career studying how stress affects human performance. His strongest
interest is in the psychology of winning—especially as winning applies to the markets. In 1982, Dr. Tharp developed
his Investment Psychology Inventory, a test that measures winning and losing traits. Thousands of investors and
speculators—myself included—have
taken this test, which includes a written evaluation
and a ten-minute phone
consultation. Dr. Tharp has written five books on successful investing which provide
the core of his investment
course. He is a contributing editor for Technical Analysis of Stocks and Commodities and has also written numerous
articles for other financial publications. Dr. Tharp is a frequent guest on financial television and radio programs, and
has spoken at many investment conferences.
Dr. Tharp currently devotes himself full time to counseling traders from his office in Glendale, California, and
continuing his research on trading success. A recent focus of this research has been interviewing and studying top
traders so that he could create a model for success. His basic theory is that by teaching the winning traits of the top
traders (not specific trading methodologies), he can dramatically improve the performance of less successful traders
and investors. In his most recent project, he is attempting to turn his most successful clients into "supertraders" by
extending his normal program of two two-day sessions into an ongoing semiannual process.
After I interviewed Dr. Tharp, he asked whether he could do a video tape interview of me as part of his
ongoing research. Since I thought such an interview might be helpful in improving my own trading performance, I
eagerly agreed. The interview lasted for over four hours. Dr. Tharp has a particularly probing questioning style. After
an initial response to a question, he would ask, "What else?" and repeat this process several times. When I could no
longer think of any additional responses, he would have me shift the direction of my gaze (he later explained this in-
struction was intended to facilitate accessing different parts of my brain), and sure enough I would think of another
point I had somehow overlooked. I felt that this interview yielded some important personal insights. (One of these
self-realizations is briefly discussed in the next chapter.)
I would have liked to provide my personal impression of Dr. Tharp's basic course, which includes five books
and four tapes. However, although I reviewed the material briefly as background for this chapter, the combination of
simultaneously working at a full-time job and writing this book did not leave me with enough time (or energy) to give
the course the serious attention it calls for—a personal project I plan for later. I can, however, attest to the fact that
one of the traders interviewed in this book served as a subject in Dr. Tharp's project on modeling success and was
duly impressed with his intellect and insight into successful trading.
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