The freeform aspect is hard for lower ranks to assimilate because they are still learning preset responses. If one is trained in basic cause & effect of strikes and subsequent responses "freeform" (randori) brings the student to a deeper understanding of Kenpo Karate. Think about it.
Dave Simmons
Twin Dragon Kenpo Karate
http://www.mnkenpokarate.com
e-mail: twindragondave@hotmail.com