7 résultats pour "reward"

• Learning.

  B1 Acquisition The acquisition phase is the initial learning of the conditioned response—for example, the dog learning to salivate at the sound of the bell. Several factors can affect the speed of conditioning during the acquisition phase. The most important factors are the order and timing of the stimuli. Conditioning occurs most quickly when theconditioned stimulus (the bell) precedes the unconditioned stimulus (the food) by about half a second. Conditioning takes longer and the response is...

• (1802); The Rational of Reward (1825) ; The Rational of Punishment (1830).

  d'y adhlrer, poussé par un besoin vital, quasi inconscient. Besoin vital, instinct obscur qui est, semble-t-il, à la base de ses thlories politiques : deux sortes d'hommes, le héros inspiré et la masse forment un dualisme qui condamne l~ démocratie comme le libéralisme. Disci­ pline pour la masse. Qpant au hlros, créateur, formateur, modèle, il est « un messager envoyé du fond du mystérieux infini, avec des nouvelles pour nous .•• ». Ce n'es...

• Animal Behavior - biology.

  The first motor program analyzed in much detail was the egg-rolling response of geese. When a goose sees an egg outside its nest, it stares at the egg, stretches itsneck until its bill is just on the other side of the egg, and then gently rolls the egg back into the nest. At first glance this seems a thoughtful and intelligent piece ofbehavior, but it is a mechanical motor program; almost any smooth, rounded object (the sign stimulus) will release the response. Furthermore, removal of the egg on...

• From Bulfinch's Mythology: Perseus and Medusa - anthology.

  The Sea-monster Perseus, continuing his flight, arrived at the country of the Æthiopians, of which Cepheus was king. Cassiopeia his queen, proud of her beauty, had dared to compareherself to the Sea-Nymphs, which roused their indignation to such a degree that they sent a prodigious sea-monster to ravage the coast. To appease the deities,Cepheus was directed by the oracle to expose his daughter Andromeda to be devoured by the monster. As Perseus looked down from his aerial height he beheld thev...

• From The Adventures of Huckleberry Finn - anthology.

  'Wherebouts?' says I. 'Down to Silas Phelps's place, two mile below here. He's a runaway nigger, and they've got him. Was you looking for him?' 'You bet I ain't! I run across him in the woods about an hour or two ago, and he said if I hollered he'd cut my livers out—and told me to lay down and stay where Iwas; and I done it. Been there ever since; afeard to come out.' 'Well,' he says, 'you needn't be afeard no more, becuz they've got him. He run off f'm down South, som'ers.' 'It'...

• Chester Arthur.

  confidence by reappointing them to the Senate. Despite Arthur's help, the legislature did not reappoint the two men. Conkling and Platt never again held public office. In the middle of the political conflict, on July 2, 1881, Garfield was shot by Charles J. Guiteau, a disappointed office-seeker. Garfield died 11 weeks later, on September19, 1881. The following morning, Arthur took the oath of office at his home in New York City. IV PRESIDENT OF THE UNITED STATES Arthur's record of party loyalt...

• Chester Arthur I INTRODUCTION Chester Arthur (1829-1886), 21st president of the United States (1881-1885), who gained the presidency when President James A.

  confidence by reappointing them to the Senate. Despite Arthur's help, the legislature did not reappoint the two men. Conkling and Platt never again held public office. In the middle of the political conflict, on July 2, 1881, Garfield was shot by Charles J. Guiteau, a disappointed office-seeker. Garfield died 11 weeks later, on September19, 1881. The following morning, Arthur took the oath of office at his home in New York City. IV PRESIDENT OF THE UNITED STATES Arthur's record of party loyalt...