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Hull was one of the most frequently cited psychologists during the 1940s and 1950s. [7] Aptitude Testing (1928) was a widely quoted textbook and his work Hypnosis and Suggestibility: An Experimental Approach (1933) was widely studied. Hull's Principles of Behavior (1943) was one of the most widely cited books in psychology. [7]
Edward Lee Thorndike (() August 31, 1874 – () August 9, 1949) was an American psychologist who spent nearly his entire career at Teachers College, Columbia University.His work on comparative psychology and the learning process led to his "theory of connectionism" and helped lay the scientific foundation for educational psychology.
Hermann Ebbinghaus (24 January 1850 – 26 February 1909) was a German psychologist who pioneered the experimental study of memory. Ebbinghaus discovered the forgetting curve and the spacing effect. He was the first person to describe the learning curve. He was the father of the neo-Kantian philosopher Julius Ebbinghaus.
However, the insistence on studying implicit mental concepts as opposed to looking solely at explicit behavior was an idea that opened the door to the school of cognitive psychology. While much work in purposive behaviorism was dismissed by the mainstream of psychologists in its time, many of Tolman's publications, most notably "Purposive ...
Watson was interested in the conditioning of emotions. Of course behaviorism putting an emphasis on people's external behaviors, emotions were considered as mere physical responses. Watson thought that, at birth, there are three unlearned emotional reactions: [27]
In what has now become the standard set of definitions, positive reinforcement is the strengthening of behavior by the occurrence of some event (e.g., praise after some behavior is performed), whereas negative reinforcement is the strengthening of behavior by the removal or avoidance of some aversive event (e.g., opening and raising an umbrella ...
When people begin to perceive that their performance outcomes are not related to their own effort, this can severely limit motivation. At the most extreme, this can lead to learned helplessness which is when a person is experiencing a negative cycle where one's negative beliefs interactions with one's academic failures and motivation. [44] [45]
Lewin's equation, B = ƒ(P, E), s psychological equation of behavior developed by Lewin, states that behavior is a function of the person in their environment. [ 19 ] The equation is the psychologist's most well known formula in social psychology, [ citation needed ] of which Lewin was a modern pioneer.