Moreover, in the field of biology and social science it has been always known as a matter-of -course that the behavior of the object being observed is affected by the existence of the observer (for example, human beings are aware based on the experiences and the common sense that the behavior of any creatures, human beings and the group of human beings is affected by being observed).
また、観察者の存在によって、観察される存在の挙動が変化してしまうことは、生物学や社会科学の分野では当然のこととして常に意識されていた(例えば生き物や人間、人間集団などは、人間は、観察で挙動が変化してしまうと経験的・常識的に知っていた)。