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Sechenov studied the phyiology of refelxes laying the foundation for the later study of reflexes, neuroscience, animal and human behavior. He did not believe thoughts cause behavior. Instead, he concluded that both internal and external processes are the response to environmental factors.
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His major contribution to behaviorism is the process classical conditioning. Classicalconditoning is the systematic training of a specific response using a particular stimuli. Pavlov determined that a neutral stimulus can be transformed into a conditoned stimulus to elicit a conditioned response. Neuroses occur when excitatory and inhibitory conditoned reflexes are in conflict. He further concluded that humans respond to symbols of physical events (use of language, words as symbols)
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Bekhterev founded the field of psychoreflexology. He led an objective study of the relationship between environmental factors and overt (observable) human behavior. He criticezed Pavlov's dogs and instead applied the techniques to study human behavior.
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McDougall was a contibutor to the study of instinct and social psychology. He was critical of Watson's limited scope in the field and McDougall defined psychology as the science of behavior. Unlike Watson, McDougall valued mental activities and observed them by way of the behaviors exhibited by the subject. He emphasized the purposive nature of behavior.
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J.B. Watson was the founder of Behaviorism in America. He believed that all behavior could explained from objective observation. He concluded that all behavior, including thinking, falls into 1 of 4 categories: Explicit Learned and Unlearned and Implicit Learned and Unlearned.
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Hull was a neobehaviorist most noted for his use of quantitative methods to describe behavior in mathematical terms. His goal was to completely externalize the study of behavior.
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Tolman is a neobehaviorist best known for his studies in learning behaviors using rats and mazes. His work can be found in books and a series of papers mentioned in this timeline.
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Pavlov presented his paper "The Experimental Psychology and Psychopathology of Animals" at the 14th International Medical Congress in Madrid. He hightlighted his work on Classical Conditioning, Conditioned Reflexes and Reinforcement.
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B.F. Skinner was a radical behaviorist for the most part; although he relaxed his views as the approach to behaviorism evolved over the years. He is famous for his work on Operant Conditioning and the Functional Analysis of behavior.
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The Law of Effect states that behaviors that bring a satisfying effect are more likely to recur and behaviors that do not bring a satisfying effect are less likely to recur.
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'Objective Psychology' highlights Bekhterev's belief that complex behavior can be explained through the study of reflexes. He was strongly influenced by Pavlov's dogs.
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'Animal Intelligence' outlines Thorndike's mechanistic and objective theory of learning through observing overt behavior. It also lays the foundation for Connectionism and explains the Puzzle Boxes experiment.
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Loeb's book highlights the concept of Tropism and his findings from his rat experiments related to animal consciousness and associative memory.
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Watson founds the School of Behaviorism with this speech at Columbia University.
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Stage One Watson's School of Behaviorism
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In the book, Watson stressed the importance of Animal Psychology to behaviorism and strongly advocated the use of animal subjects in behavioral research.
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Rotter was a sociobehaviorist best known for his work on Social Learning Theory (a phrase he coined) and his Locus of Control concepts.
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The controversial experiment tested Pavlov's classical conditioning techniques using 8 month old Albert as the subject. Baby Albert was confronted with various fuzzy white objects simultaneously with a frighteningly loud clanging pipe. The result was that Albert grew to fear the fuzzy white objects. Watson and others considered this a successful proof of Watson's theory (and Pavlov's!)
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Albert Bandura is the David Starr Jordan Professor Emeritus of Social Science in Psychology at Stanford University. He is a sociobehaviorist most famous for his social cognitive theory and his modeling technique. He determined that behaviors are learned through modeling the behavior of those in the environment.
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Stage Two Neobehaviorism
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Tolman introduced his Molar Learning model and defines Purposive Behavior and the concept of the Intervening Variable. He also introduces the idea of Latent Learning based on experiments using rats.
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Skinner establishes his Empty Organism Approach to behaviorism. He also introduces the testing method using Schedules of Reinforcement to study the S-R relationship. Operant Conditioning.
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Tolman examines the motivation, or drives, that cause humans to war with one another.
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This is considered Hull's most important work. He describes his Mechanistic view of human behavior and explains his S-R learning theory. He also introduces his concepts of Drive, the Law of Primary Reinforcement and Habit Strength.
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During Worl War II, Skinner trained pigeons to guide missiles to specific targets. This is an early example of Operant Conditioning used in a real life situation.
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In this book, Hull interprets the S-R relationship in mathematical terms using a formula. He believed that the formula could accurately describe and precdict behavior; he felt the formulas could replace introspection.
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Tolman argues that learning motor skills and problem solving are governed by different laws. This directly refutes the strictly S-R learning theories of Thorndike and Hull.
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Hull lays out his entire life's work including his S-R learning theory and his 4th method of objective methodology and quantification, the Hypothetico-deductive Method.
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He compiled the book from a series of lectures given at Harvard University in 1947 when he was asked to be the William James lecturer. His lectures elucidated many topics including Behavior Modification, Operant Conditioning and the Law of Acquisition
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Third Stage Sociobehaviorism
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The Bobo Dolls experiment supported Bandura's theory that children acquire behaviors by modeling those behaviors demonstrated or occuring in the emvironment.
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In the monograph called 'Generalized Expectancies for Internal Versus External', Rotter explores his Locus of Control concept in real world terms. He also created the Internal-External Locus of Control Scales which are still used.
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He wrote this book in response to concerns about the implications of behavioral science for society as a whole. A major issue was the application of Skinner's style of Behavior Modification in mental hospitals, factories, prisons and schools.
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Skinner penned thhis book due to the continued lack of understanding and misrepresentation of his work. He believed that he 'behavior modify' the world into a utopia like place.
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He fully describes and explains his Modeling Theory and the techniques and applications attached to it. Modeling Therapy is a landmark concept still practiced today.
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This tome is a compilation of Rotter's reseacrh, methodolody and techniques, and applications of Social Learning Theory.
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Bandura provides the framework for Social Cognitive Theory including topics like Vicarious Reinforcement and Self Efficacy.
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It is said that Behaviorism, in the traditional sense, dies with Skinner. Sociobehaviorism and other cognitive process friendly approaches will take center stage.