I thought Van Tharp studied this and concluded that random entry was pretty good and beat many other systems, and that trade management was more important. Entry was one of the least important factors to successfuls trading.
(Also, note to JMowry, I think it was the Turtle Traders that used a method of scaling into winners, not out.)
(Also, note to JMowry, I think it was the Turtle Traders that used a method of scaling into winners, not out.)