The consequences of an act affect the probability of its occurring again.

Psychologists
B. F. Skinner
American behaviorist (1904-1990), founder of behavior analysis. He formulated operant conditioning and invented the Skinner box. A 2002 survey ranked him the 20th century's most cited psychologist.
View this figure's profile
B. F. Skinner's Other Quotes
The real problem is not whether machines think but whether men do.
Education is what survives when what has been learned has been forgotten.
A failure is not always a mistake. It may simply be the best one can do under the circumstances. The real mistake is to stop trying.
We shouldn't teach great books; we should teach a love of reading.
Related Quotes
Idiot!
-- Shigeru Yoshida
A conditioned reflex is a temporary connection between any agent of the external world and a definite activity of the organism.
-- Ivan Pavlov
Condemn me, it does not matter, history will absolve me.
-- Fidel Castro
Every gun that is made, every warship launched, every rocket fired signifies, in the final sense, a theft from those who hunger and are not fed, those who are cold and are not clothed.
-- Dwight D. Eisenhower