Let us suppose a company wants to evaluate whether a new medical device works better than current devices. It conducts a small experiment to assess the effectiveness of the new device. To conduct the experiment, the company randomly assigns one group to the new medical device, which requires users to stay well hydrated, and the other group to the old device. The group receiving the new device should simply receive the device without being asked to stay hydrated.
Speaking Prompts: 2015
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An electronic book , also known as an e-book or eBook , is a book publication made available in digital form, consisting of text, images, or both, readable on the flat-panel display of computers or other electronic devices. E-books can be read on dedicated e-reader devices, but also on any computer device that features a controllable viewing screen, including desktop computers , laptops , tablets and smartphones. In the s, there was a trend of print and e-book sales moving to the Internet , [ citation needed ] where readers buy traditional paper books and e-books on websites using e-commerce systems.
Create an online calendar of class events and activities; Use our free storage to upload documents and add images to your page s. On the one hand, I understand that teachers have to grapple with bureaucracy which limits the innovations they can apply to improve learning outcomes. I found my classmates very friendly. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.