Scholar college student Thorndike’s very early fresh really works, deciding on kittens escaping out of mystery packages for the William James’ basement within Harvard, led to their greatest “Legislation regarding [Effect]”:
The greater brand new pleasure otherwise soreness, the greater number of this new building or weakening of thread
Many responses designed to an equivalent state, those that is actually adopted or directly followed by fulfillment toward creature…tend to, other things being equivalent, be much more firmly linked to the problem…; those that is followed otherwise closely followed by discomfort…get its relationships for the problem poor… (Thorndike, 1911, p. 244)