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Quizlet's primary products include digital flash cards, matching games, practice electronic assessments, and live quizzes. In 2017, 1 in 2 high school students used Quizlet. [ 4 ] As of December 2021, Quizlet has over 500 million user-generated flashcard sets and more than 60 million active users.
A few dozens or hundreds of users are presented recommendations created by different recommendation approaches, and then the users judge which recommendations are best. In A/B tests, recommendations are shown to typically thousands of users of a real product, and the recommender system randomly picks at least two different recommendation ...
LinkedIn has more than 1 billion registered members from over 200 countries and territories. [7] LinkedIn allows members (both employees and employers) to create profiles and connect with each other in an online social network which may represent real-world professional relationships. Members can invite anyone (whether an existing member or not ...
A multiple choice question, with days of the week as potential answers. Multiple choice (MC), [1] objective response or MCQ(for multiple choice question) is a form of an objective assessment in which respondents are asked to select only the correct answer from the choices offered as a list.
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Question and answer knowledge market site for programmers Stage 32: Professionals in film, television and theater Steam: game launcher, forums, live chat Steemit: Blockchain based social networking Tagged: Blog: Tagging similar photos and profiles TakingITGlobal: Youth focused on global issues Tal Canal: Blog: Sharing content, games and news ...
[5] [12] She was a graduate student at the time and spent less than a week working on the knot in her free time to "see what's so hard about this problem" before finding an answer: [11] [13] I think the next day, which was a Sunday, I just started trying to run the approach for fun and I worked on it a bit in the evenings just to try to see ...
In demography, the study of social networks has led to new sampling methods for estimating and reaching populations that are hard to enumerate (for example, homeless people or intravenous drug users.) For example, respondent driven sampling is a network-based sampling technique that relies on respondents to a survey recommending further ...