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Pavlov, Ivan Petrovich

(Encyclopedia)Pavlov, Ivan Petrovich ēvänˈ pētrôˈvĭch pävˈləf [key], 1849–1936, Russian physiologist and experimental psychologist. He was professor at the military medical academy and director of the p...

Ivan V

(Encyclopedia)Ivan V, 1666–96, czar of Russia (1682–96), son of Czar Alexis by his first wife. Ivan was mentally retarded, and on the death of his elder brother, Feodor III, his succession was opposed by the su...

behavior therapy

(Encyclopedia)behavior therapy or behavior modification, in psychology, treatment of human behavioral disorders through the reinforcement of acceptable behavior and suppression of undesirable behavior. The techniqu...

behaviorism

(Encyclopedia)behaviorism, school of psychology which seeks to explain animal and human behavior entirely in terms of observable and measurable responses to environmental stimuli. Behaviorism was introduced (1913) ...

Lendl, Ivan

(Encyclopedia)Lendl, Ivan ēvänˈ lĕnˈdəl [key], 1960–, Czech-American tennis player. After leading Czechoslovakia to its only Davis Cup championship (1980), he moved to the United States, and became one of t...

Mĕstrović, Ivan

(Encyclopedia)Mĕstrović, Ivan ēˈvän mĕshˈtrōvyĭch [key], 1883–1962, Croatian-American sculptor, b. Vrpolje, Croatia (then in Austria-Hungary). He was a shepherd and then an apprentice to a marble cutter,...

Mazepa, Ivan

(Encyclopedia)Mazepa, Ivan ēvänˈ məzyāˈpə [key], c.1640–1709, Cossack hetman [leader] in the Russian Ukraine. He was made hetman (1687) on the insistence of Prince Gallitzin, adviser to the Russian regent,...

Klíma, Ivan

(Encyclopedia)Klíma, Ivan ēvänˈ klēmˈə [key], 1931–, Czech author, b. Prague as Ivan Kauders, grad. Charles Univ., Prague (1956). Of Jewish descent, Klíma spent 1941–45 in the Theresienstadt (now Terez�...

Gundulić, Ivan

(Encyclopedia)Gundulić, Ivan jōvänˈnē gōndəˈlä [key], 1588–1638, Croatian poet. Born in Ragusa (Dubrovnik) of an aristocratic Dalmatian family, he became chief magistrate of Ragusa. In his early work he ...

Franko, Ivan

(Encyclopedia)Franko, Ivan ēˈvän fränˈkō [key], 1856–1916, Ukrainian writer and nationalist. His realistic novels Boryslav Laughs (1881–82) and Boa Constrictor (1878, tr. 1961) portray the harsh existence...