Galton realised that the off-spring tended to revert towards the mean size. Certainly he did not understand at this stage that his findings would apply to any two-way plot, thinking rather than it was peculiar to the situation with which he was experimenting.
Galton realised na ang off-spring tended upang bumalik sa ibig sabihin ng sukat. Totoong siya ay hindi maintindihan sa hakbang na ito na ang kanyang findings ay mag-aplay sa anumang paraan ng dalawang-balangkas, iniisip sa halip na ito ay katangi-tangi sa mga sitwasyon na kung saan siya ay na-eksperimento.