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Political Science
Political Science Deneme Sınavı
Political Science Deneme Sınavı Sorusu #978023
Political Science Deneme Sınavı Sorusu #978023
In which of the following decades was modern-day opinion polling developed?
|
1910s |
|
1920s |
|
1930s |
|
1940s |
|
1950s |
Yanıt Açıklaması:
George Gallup, Archibald Crossley and Elmo Roper developed modern-day opinion polling in the early 1930s.
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