SPUTNIK / SCIENCE PHOTO LIBRARY SPUTNIK / SCIENCE PHOTO LIBRARY
Pedagogy. A psychologist performing a test with a young school child to evaluate teaching methods. Various physiological measurements are taken from the forearms, such as pulse, skin temperature and conductivity, etc. These are used to provide a quantitative measure of response to various teaching stimuli. Photographed at the USSR Academy of Pedagogical Sciences, Russia, in 1974.
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