During which time period did I/O psychology begin to expand beyond the academic and military realms into government and private industry?

Question

Quizplus · Accepted Answer

I/O psychology began to expand beyond the academic and military realms into government and private industry from World War I through the 1920s, largely due to the need for efficient methods of personnel selection and training during the war and the subsequent application of these methods in civilian settings.

During Which Time Period Did I/O Psychology Begin to Expand