Subsequent modifications of Watson's perspective and that of " classical conditioning " ( see under Ivan Pavlov ) led to the rise of operant conditioning or " radical behaviorism ," a theory advocated by B. F. Skinner, which took over the academic establishment up through the 1950s and was synonymous with " behaviorism " for many.

In the early 1900s scientific behaviorists such as Ivan Pavlov, John B. Watson, and B. F. Skinner began the attempt to uncover laws describing the relationship between stimuli and responses, without reference to inner mental phenomena.

However, Clark L. Hull had introduced a behavioural psychology as far back as 1933, which in turn was preceded by Ivan Pavlov.

Ivan Pavlov stated that hypnotic suggestion provided the best example of a conditioned reflex response in human beings, i. e., that responses to suggestions were learned associations triggered by the words used.

* Ivan Pavlov

* Physiology or Medicine – Ivan Petrovich Pavlov

** Ivan Pavlov, Russian psychologist, recipient of the Nobel Prize in Physiology or Medicine ( b. 1849 )

* September 14 – Ivan Petrovich Pavlov, Russian researcher, recipient of the Nobel Prize in Physiology or Medicine ( d. 1936 )

Although in his later writings he referenced both the neuron theory of Ramón y Cajal and the conditioned reflex of Ivan Pavlov, in essence he simply interpreted this new neurological research in terms of the old psychological theory of associationism.

Meanwhile, he continued with his work on his thesis, spending much of his time devoted to his own research in the history of psychology and psychiatry, visiting the Bibliothèque Nationale every day to read the work of psychologists like Ivan Pavlov ( 1849 – 1936 ), Jean Piaget ( 1896 – 1980 ) and Karl Jaspers ( 1883 – 1969 ).

Ivan Petrovich Pavlov (; February 27, 1936 ) was a famous Russian physiologist.

Ivan Pavlov devoted his life to the study of physiology and sciences ; making several remarkable discoveries and ideas that were passed on from generation to generation.

Ivan Pavlov was born in Ryazan, now in the Central Federal District of Russia, where his father, Peter Dmitrievich Pavlov ( 1823 – 1899 ), was a village priest.

Ivan Pavlov

Ivan Pavlov married Seraphima Vasilievna Karchevskaya on May 1, 1881.

The concept for which Pavlov is famous is the " conditioned reflex " ( or in his own words the conditional reflex: the translation of условный рефлекс into English is debatable ) he developed jointly with his assistant Ivan Filippovitch Tolochinov in 1901.

There are two volumes containing lectures and speeches: Lectures on Conditioned Reflexes by Ivan Petrovitch Pavlov.

" Death of Ivan Pavlov: February 27th 1936.

* Ivan Pavlov and his dogs

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One way of reducing the risk is through the illegal use of inside information, and in fact risk arbitrage with regard to leveraged buyouts was associated with some of the famous financial scandals of the 1980s such as those involving Michael Milken and Ivan Boesky.

* Ivan, one of the protagonists of the historical novel by the Cuban writer Leonardo Padura Fuentes, El hombre que amaba a los perros ( The Man Who Loved Dogs ), is the editor of a university journal of veterinary medicine, who manages to make a living during the Special Period in Cuba by helping people take care of their dogs.

The coining of the word cryptozoology is often attributed to Belgian-French zoologist Bernard Heuvelmans, though Heuvelmans attributes coinage of the term to the late Scottish explorer and adventurer Ivan T. Sanderson.

Ivan Simon Cary Elwes (; born 26 October 1962 ), known professionally as Cary Elwes, is an English actor and voice actor.

Ivan ’ s prissy mask of respectability is soon demolished by his wife ’ s obsession with the White Sheik.

Although signs of recovery have been seen in Grenada after the damage inflicted by Hurricanes Ivan and Emily, economic conditions remain difficult ; GDP is projected at a growth rate of only one percent for 2005.

In the aftermath of Hurricanes Ivan and Emily, the priority now for Grenada is to continue the recovery process necessary to restore the infrastructure that was devastated by the hurricanes.

Nobel Prize winner Ivan Alekseyevich Bunin wrote Dry Valley ( 1912 ), which is considered to be influenced by gothic literature.

Nevertheless, Ivan is often seen as a farsighted statesman who reformed Russia as he promulgated a new code of laws ( Sudebnik of 1550 ), established the first Russian feudal representative body ( Zemsky Sobor ), curbed the influence of clergy, and introduced the local self-management in rural regions.

That is why Magnus, who represented Denmark and later struck a deal with Ivan the Terrible, proved a suitable figurehead for this faction.

With the unexpected and odd arrival of Miles ’ cousin Ivan Vorpatril, he deduces that a political faction in the Council of Counts is attacking his father back on Barrayar by charging Miles with maintaining a private army — an act of capital treason.

On Komarr, Ivan is asked by an ImpSec friend to protect a pretty young woman targeted by a criminal gang, and stumbles into a conspiracy involving Jackson's Whole politics, hired assassins, criminal syndicates, and an old and potentially dangerous secret on Barrayar.

The current Assistant Secretary-General for Human Rights is Ivan Šimonović from Croatia.

The President is assisted by the Minister of Defence, Ivan Fernald.

He is noted in particular for his silent films Strike ( 1924 ), Battleship Potemkin ( 1925 ) and October ( 1927 ), as well as the historical epics Alexander Nevsky ( 1938 ) and Ivan the Terrible ( 1944, 1958 ).

SNOBOL ( StriNg Oriented and symBOlic Language ) is a series of computer programming languages developed between 1962 and 1967 at AT & T Bell Laboratories by David J. Farber, Ralph E. Griswold and Ivan P. Polonsky, culminating in SNOBOL4.

His eldest brother, Ivan Raimi, a doctor, is also involved in the film industry as a screenwriter and occasional contributor to Sam's movies.

In 1968, Ivan Sutherland, with the help of his student Bob Sproull, created what is widely considered to be the first virtual reality and augmented reality ( AR ) head mounted display ( HMD ) system.

* April 25 – In Israel, Ivan Demjanjuk is sentenced to death for war crimes committed in World War II.

* In Russia, it is the beginning of the Oprichnina under Ivan the Terrible.

* March 27 – Vasili II of Russia dies, and is succeeded by his son Ivan III of Russia.

Emperor Ivan Shishman is allowed to remain as puppet ruler of east Bulgaria.

It is argued that a turning point was the development of the SKETCHPAD system at MIT in 1963 by Ivan Sutherland ( who later created a graphics technology company with Dr. David Evans ).

* May 15 – In Russia, Tsarevich Dimitri, son of the Ivan the Terrible, is found dead in mysterious circumstances, at the palace in Uglich.