13-inch: 1.36 pounds
Рост стоимости серебра и золота на мировых рынках обусловлен опасениями инвесторов того, что конфликт на Ближнем Востоке может расшириться. Такое мнение в разговоре с газетой «Известия» высказал руководитель департамента поддержки клиентов и продаж «Альфа-Форекс» Александр Шнейдерман.
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In the 1950s, legendary behaviorist B.F. Skinner debuted his version of a “teaching machine,” based on the 1924 invention of Ohio State University psychology professor Sidney Pressey. The contraption was loaded with a piece of paper with questions, and students pressed keys indicating the correct answer, at which point another question would appear. Both Pressey and Skinner ran into similar problems, though, failing to implement the technology in schools. Educators weren’t convinced of the machine’s benefit, which prioritized individually paced learning not conducive to students of the same age moving through a grade level at the same time.
Cooper rejects the view that this slot-machine version of entertainment saps our ability to focus.