Judo should be called Kodokan Judo. It was developed by Professor Jigoro Kano in 1882. Professor Kano was a student of many of the old masters of Jujitsu when he realized that the arts were disappearing.
The definition of unbiased is a neutral person or persons. An example of unbiased is a jury with no prior knowledge of the case upon which they are deciding. or unÂ·biâ²assed. without bias or prejudice; objective; impartial.
Definition of regression towards the mean: Statistical tendency of a data series to gravitate towards the center of a distribution, provided it starts on the either end of the distribution and is free to fluctuate. Children of very tall parents, for example, tend to be taller than the average children but shorter than the average of the parents' heights. Also called regression to the mean.