Erich Witte

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New York NY/ USA- November 23, 2018 Hordes of shoppers throng the Macy's Herald Square flagship store in New York looking for bargains on the day after Thanksgiving, Black Friday.

Why Is It Called Black Friday?

Casino. Gambling. Slots. Slot machine. Luck. Rich. Neon. Hit the Jackpot neon sign lights up casino window.

Brain Games: 8 Philosophical Puzzles and Paradoxes

American bison (Bison bison) also known as buffalo or plains buffalo on the prairie, western U.S.

What’s the Difference Between Bison and Buffalo?

Secret Service Agent Listens To Earpiece

Secret Service Code Names of 11 U.S. Presidents

Chinese dragon sculpture or statue.

10 Legendary Creatures from Around the World

Mona Lisa, oil on wood panel by Leonardo da Vinci, c. 1503-06; in the Louvre, Paris, France. 77 x 53 cm.

Why Is the Mona Lisa So Famous?

Ruminant. Deer. Red deer. Cervus elaphus. Buck. Stag. Antlers.

9 of the World’s Deadliest Mammals

Erich Witte

German psychologist

Learn about this topic in these articles:

Köhler effect

In Köhler effect: Discovery
…article by the German psychologist Erich Witte rekindled research interest. Köhler’s motivation-gain effect was then replicated repeatedly, not only for physical-persistence tasks but also for simple computations and tasks involving visual attention.
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