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Part 1 & Part 2 are due THURSDAY 9/9. Part 3 is due SATURDAY 9/11. You can upload as you finish.Part 1: Discussion + Reply: Using the assigned readings as a guide, answer the following question: How can we take a valid sample in an educational setting? Discussion must be at least 600 words and the reply must be at least 300 words. Note: Discussion question + Reply are attached.Part 2: Discussion + 2 Replies: For this discussion spend some time reviewing the literature to help you answer one or more of the following questions:What is the definition of the field of educational technology?Do the terms educational technology and instructional technology refer to the same thing?How has the definition of the field changed over time? Then, briefly discuss the types of careers held and tasks performed by educational technologists. Document the achievements of one influential educational technologist (past or present) defending your position of the person’s impact on the field. Discussion must be at least 350 words and the reply must be at least 150 words. Note: Discussion question + 2 Replies are attached.Part 3: STEM, Robots, Codes, and Maker’s Spaces Overview Assignment. Instructions and Template attached below. NOTE: I will attach the textbook info once you accept because its too large to add in the original question.