Skinner's "radical behaviourism" differed from Watson's earlier behaviourism in which key way?
A: Skinner rejected the study of behaviour entirely, focusing instead on cognition
B: Skinner acknowledged internal mental states but treated them as behaviours shaped by the environment
C: Skinner believed genetics, not environment, determined behaviour
D: Skinner relied exclusively on self-report rather than observation
Correct: Skinner acknowledged internal mental states but treated them as behaviours shaped by the environment
Watson's methodological behaviourism flatly excluded mental states from scientific consideration. Skinner's radical behaviourism did not deny that thoughts and feelings exist — it reconceptualised them as private behaviours, themselves shaped by reinforcement histories. This allowed him to address mental life without appealing to unobservable mentalistic causes, keeping the focus on environment-behaviour relationships.
Skinner's operant chamber (the "Skinner box") was designed to study operant conditioning by:
A: Measuring salivation in response to a conditioned stimulus
B: Creating a controlled environment where a lever press or key peck was automatically reinforced
C: Observing how animals learned through imitation of a model
D: Presenting visual puzzles that required insight to solve
Correct: Creating a controlled environment where a lever press or key peck was automatically reinforced
The Skinner box provided a controlled, automated environment — typically with a lever, a food dispenser, and a recording device. When a rat pressed the lever (or a pigeon pecked a key), a food pellet was delivered. This allowed Skinner to precisely manipulate reinforcement schedules and measure response rates objectively, providing the empirical foundation for his analysis of operant behaviour.
Skinner identified variable ratio reinforcement as the most powerful schedule. What real-world phenomenon does this explain?
A: Why students study hardest the day before an exam
B: Why people check social media compulsively
C: Why children behave well in class when the teacher is watching
D: Why factory workers maintain a steady pace throughout the day
Correct: Why people check social media compulsively
Social media platforms deliver unpredictable rewards — a like, a comment, a new follower — on a variable ratio schedule. Because the user never knows when the next reward will arrive, they keep checking. The same mechanism explains gambling addiction. Skinner himself predicted that variable ratio schedules would be the most likely to produce compulsive, hard-to-extinguish behaviour.
In 1957, Skinner published "Verbal Behavior," arguing that language is acquired through reinforcement. Noam Chomsky's 1959 review was devastating. What was Chomsky's central objection?
A: Skinner failed to study non-human animals, making his data invalid
B: Children acquire language too rapidly and generate novel sentences that could not have been directly reinforced, implying an innate language capacity
C: Skinner's data relied on self-report rather than objective observation
D: Reinforcement could explain vocabulary but not the emotional content of language
Correct: Children acquire language too rapidly and generate novel sentences that could not have been directly reinforced, implying an innate language capacity
Chomsky argued that the poverty of the stimulus — the fact that children hear insufficient input to derive grammar by reinforcement alone — and the rapidity of acquisition implied an innate "language acquisition device." Children spontaneously produce grammatically correct sentences they have never heard, which reinforcement history cannot explain. Chomsky's review is often cited as a turning point in the decline of behaviourism.
Skinner's 1948 novel "Walden Two" described a utopian community governed by behaviourist principles. What was its central claim?
A: That human freedom is best expressed through competitive market forces
B: That a society using positive reinforcement systematically could produce happy, productive citizens without coercion
C: That punishment is more effective than reward for social order
D: That human behaviour is too complex to be engineered scientifically
Correct: That a society using positive reinforcement systematically could produce happy, productive citizens without coercion
"Walden Two" envisioned a community where behaviourist principles replaced political and economic coercion with positive reinforcement — shaping desired social behaviours without punishment or control. Skinner argued this would produce a genuinely free and fulfilled society. Critics, including philosopher Karl Popper, saw it as authoritarian. The novel remains a touchstone in debates about free will and social engineering.
Skinner's 1971 book "Beyond Freedom and Dignity" argued controversially that:
A: Free will is real and should be preserved at all costs
B: Human behaviour is determined by genetic factors, not environment
C: The concepts of free will and personal responsibility are myths that obstruct effective social design
D: Punishment is the most humane and effective tool for social change
Correct: The concepts of free will and personal responsibility are myths that obstruct effective social design
Skinner argued that the belief in autonomous inner agents — free will, dignity, creative choice — prevented society from using behavioural science to solve its problems. If we could accept that behaviour is shaped by reinforcement contingencies, we could design environments that reliably produce desirable behaviours. The book was a bestseller and sparked intense philosophical backlash about determinism and human autonomy.
A "token economy" is a direct clinical application of Skinner's principles. How does it work?
A: Patients earn tokens for undesirable behaviours to reduce their frequency through awareness
B: Tokens earned for target behaviours are exchanged for backup reinforcers such as privileges or goods
C: Tokens are used as punishers to decrease unwanted behaviour
D: Tokens represent cognitive milestones rather than behavioural ones
Correct: Tokens earned for target behaviours are exchanged for backup reinforcers such as privileges or goods
Token economies have been used in psychiatric wards, prisons, classrooms, and addiction treatment. Desired behaviours earn tokens (conditioned reinforcers) that can later be exchanged for items or privileges (backup reinforcers). Research has shown them to be effective in increasing prosocial behaviour and improving functional outcomes — though concerns exist about generalisation once the token system is removed.
B.F. Skinner
Skinner's "radical behaviourism" differed from Watson's earlier behaviourism in which key way?
About this quiz
Burrhus Frederic Skinner (1904–1990) is one of the most influential and controversial figures in the history of psychology. His radical behaviourism reshaped how psychologists thought about learning, language, and human freedom — and sparked debates that continue today.
This quiz focuses specifically on Skinner: his ideas, his experiments, his inventions, and his legacy. It covers his concept of radical behaviourism, the operant chamber, schedules of reinforcement, his clash with Chomsky over language, and his vision of a behaviourally engineered society.