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In 1920, a new method of learning was introduced through the radio. On air classes were made available for any student within listening range.
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The Overhead projector was such a success when viewing student achievment that the device is still being used in the present.
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Headphones were introduced in the 1950's. This increased focus of students by blocking out unwanted noise. This focus led to great strides in student achievement.
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Video tapes were noted to have made education more fun and engaging. This was a new method of learning therefore it was very exciting.
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The photo copier made huge leaps to student achievement due to the fact that educators could now make copies of activities and sent them home with students to promote carryover.
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The scantron was introduced which made grading for educators more reliable and a faster process. Now teachers could move onto new lessons without having to take time out to grade as many assignments by hand.
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This was a huge movement toward success and learning for all students. Now students could continue their education from home. Link text
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This is an effective tool to present material in the classroom and encourage student learning
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