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Quizlet was founded in October 2005 by Andrew Sutherland, who at the time was a 15-year old student, [2] and released to the public in January 2007. [3] 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]
StudyBlue was founded by two students at the University of Wisconsin–Madison as The Class Connection in 2006. The company was renamed StudyBlue in 2009. [citation needed] StudyBlue's services included electronic flashcards, note uploading, quizzes and storage of digital study materials.
The Leitner system for scheduling flashcards was introduced by German scientific journalist Sebastian Leitner in the 1970s with his book, So lernt man lernen. [6] Later, the SuperMemo program and algorithm (specifically the SM-2 algorithm, which is the most popular in other programs) was introduced in 1987 by Polish researcher Piotr Woźniak. [7]
[4] [11] The company edited the material and arranged it to create a text in the form of an e-book. In some cases the company also provided study tools, such as flashcards and quizzes. [12] [13] The company offered textbooks in over 20 subjects. [12] The company provided two types of books.
BrainPop (stylized as BrainPOP) is a group of educational websites founded in 1999 by Avraham Kadar, M.D. and Chanan Kadmon, based in New York City. [1] As of 2024, the websites host over 1,000 short animated movies for students in grades K–8 (ages 5 to 14), together with quizzes and related materials, covering the subjects of science, social studies, English, math, engineering and ...
Many of the company's quizzes are available in an optional recorded voice format for primary-level book in which the quiz questions and answers are read to the student taking the quiz. These quizzes are designed to help emerge English and Spanish readers to take the quizzes without additional assistance.
Online quizzes are generally free to play and for entertainment purposes only though some online quiz websites offer prizes. Websites feature online quizzes on many subjects. One popular type of online quiz is a personality quiz or relationship quiz which is similar to what can be found in many women's or teen magazines.
In the same year, Chegg partnered with Varkey Foundation to launch Global Student Prize to recognise outstanding students that make an impact to local or international communities. [ 22 ] On a May 1, 2023, earnings call, CEO Dan Rosensweig identified the rise of ChatGPT as a potential obstacle for the company's growth.