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Accordingly, there are several discrete aspects to describing the intellectual and technical development of educational technology: An educational technologist is someone who is trained in the field of educational technology.Educational technologists try to analyze, design, develop, implement and evaluate process and tools to enhance learning."Virtual" is used in that broader way to describe a course that is not taught in a classroom face-to-face but through a substitute mode that can conceptually be associated "virtually" with classroom teaching, which means that people do not have to go to the physical classroom to learn.
Educational technology is the process of integrating technology into education in a positive manner that promotes a more diverse learning environment and a way for students to learn how to use technology as well as their common assignments Given this definition, educational technology is an inclusive term for both the material tools and the theoretical foundations for supporting learning and teaching.
From their introduction, books and pamphlets have held a prominent role in education.
From the early twentieth century, duplicating machines such as the mimeograph and Gestetner stencil devices were used to produce short copy runs (typically 10–50 copies) for classroom or home use.
The use of media for instructional purposes is generally traced back to the first decade of the 20th century with the introduction of educational films (1900s) and Sidney Pressey's mechanical teaching machines (1920s).
The first all multiple choice, large-scale assessment was the Army Alpha, used to assess the intelligence and more specifically the aptitudes of World War I military recruits.