B. F. Skinner

B. F. Skinner
Name	B. F. Skinner
Caption	Skinner at Harvard University circa 1950
Birth name	Burrhus Frederic Skinner
Birth date	20 March 1904
Birth place	Susquehanna, Pennsylvania, U.S.
Death date	18 August 1990
Death place	Cambridge, Massachusetts, U.S.
Education	Hamilton College (BA), Harvard University (MA, PhD)
Occupation	Psychologist, author, inventor
Known for	Behaviorism, operant conditioning, operant conditioning chamber, radical behaviorism
Spouse	Yvonne Blue, 1936
Children	2, including Julie Vargas
Awards	National Medal of Science (1968), APA Award for Distinguished Scientific Contributions (1958)

B. F. Skinner. Burrhus Frederic Skinner was an influential American psychologist, behaviorist, author, inventor, and social philosopher. A leading proponent of behaviorism, he developed the theory of operant conditioning and invented the operant conditioning chamber, profoundly shaping experimental psychology and applied fields. His work extended to education, linguistics, and social design, making him one of the most cited and controversial figures in the history of psychology.

Biography

Born in Susquehanna, Pennsylvania, Skinner attended Hamilton College before pursuing graduate studies at Harvard University, where he earned his PhD in 1931. He held academic positions at the University of Minnesota and Indiana University before returning to Harvard University in 1948 as a professor, remaining there for the rest of his career. His personal life included marriage to Yvonne Blue and the raising of two daughters, one of whom is the educational psychologist Julie Vargas. Skinner was a prolific writer, authoring major works like Walden Two and Beyond Freedom and Dignity, and received honors including the National Medal of Science from President Lyndon B. Johnson.

Contributions to psychology

Skinner's primary contribution was advancing a natural science of behavior rooted in radical behaviorism, which considered private events like thoughts and feelings as subject to the same environmental laws as public actions. He rejected mentalism and the theories of Sigmund Freud, focusing instead on observable, measurable behavior. His experimental work, detailed in books like The Behavior of Organisms, established the foundational principles of operant conditioning. This approach positioned him as the central figure in American psychology's behaviorist movement, distinct from the classical conditioning of Ivan Pavlov and the methodological behaviorism of John B. Watson.

Operant conditioning

Operant conditioning is a learning process where the strength of a behavior is modified by its consequences, such as reinforcement or punishment. Skinner's research, often conducted using the operant conditioning chamber (or "Skinner box") with subjects like pigeons and rats, identified key concepts: positive reinforcement, negative reinforcement, positive punishment, and negative punishment. He introduced the schedule of reinforcement, discovering that variable-ratio schedules, like those in slot machines, produce high, persistent response rates. These principles were formalized in his 1938 work and contrasted sharply with the respondent behavior studied by Ivan Pavlov.

Applied behavior analysis

The principles of operant conditioning form the bedrock of applied behavior analysis (ABA), a scientific discipline devoted to improving socially significant behaviors. Skinner's work directly inspired applications in special education, particularly for individuals with autism spectrum disorder and developmental disabilities. Techniques like discrete trial training, token economy systems, and behavior modification programs in institutions like the Anna State Hospital were developed from his research. The Journal of Applied Behavior Analysis was founded to disseminate this work, establishing ABA as a major evidence-based practice.

Social and cultural views

Skinner extended his behaviorist principles to societal and cultural issues in his utopian novel Walden Two, which depicted a community engineered through positive reinforcement. In his controversial book Beyond Freedom and Dignity, he argued that concepts like free will and autonomy were prescientific illusions and that human behavior is entirely shaped by environmental contingencies. He proposed that cultural survival depended on the deliberate design of "cultural engineering" using behavioral technology, ideas that sparked intense debate with humanists like Noam Chomsky and Carl Rogers.

Legacy and criticism

Skinner's legacy is immense; he is consistently ranked among the most influential psychologists, and his work underpins applied behavior analysis, organizational behavior management, and aspects of behavioral economics. However, he faced significant criticism from cognitive psychologists like Noam Chomsky, who attacked his views on language in a famous review of Verbal Behavior. Humanistic psychologists, including Carl Rogers, decried his perceived determinism and rejection of inner life. Despite this, his emphasis on empirical measurement and environmental manipulation left a permanent mark on education, therapy, and the broader field of psychological science.

Category:American psychologists Category:Behaviorists Category:Harvard University faculty