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  2. Tandem language learning - Wikipedia

    en.wikipedia.org/wiki/Tandem_language_learning

    Tandem language learning is an approach to language acquisition that involves reciprocal language exchange between tandem partners. In this method, each learner ideally serves as a native speaker of the language the other person intends to learn. Tandem language learning deviates from traditional pedagogical practices by eliminating the teacher ...

  3. Chicago Mercantile Exchange - Wikipedia

    en.wikipedia.org/wiki/Chicago_Mercantile_Exchange

    The Chicago Mercantile Exchange ( CME) (often called " the Chicago Merc ", or " the Merc ") is a global derivatives marketplace based in Chicago and located at 20 S. Wacker Drive. The CME was founded in 1898 as the Chicago Butter and Egg Board, an agricultural commodities exchange. For most of its history, the exchange was in the then common ...

  4. Learning management system - Wikipedia

    en.wikipedia.org/wiki/Learning_management_system

    A learning management system ( LMS) or virtual learning environment ( VLE) is a software application for the administration, documentation, tracking, reporting, automation, and delivery of educational courses, training programs, materials or learning and development programs. [1] The learning management system concept emerged directly from e ...

  5. Social exchange theory - Wikipedia

    en.wikipedia.org/wiki/Social_exchange_theory

    Social exchange theory is a sociological and psychological theory that studies the social behavior in the interaction of two parties that implement a cost-benefit analysis to determine risks and benefits. The theory also involves economic relationships—the cost-benefit analysis occurs when each party has goods that the other parties value. [1]

  6. Stock exchange - Wikipedia

    en.wikipedia.org/wiki/Stock_exchange

    t. e. The New York Stock Exchange in Lower Manhattan is the world's largest stock exchange per total market capitalization of its listed companies. [1] A stock exchange, securities exchange, or bourse is an exchange where stockbrokers and traders can buy and sell securities, such as shares of stock, bonds and other financial instruments. Stock ...

  7. National Student Exchange - Wikipedia

    en.wikipedia.org/wiki/National_Student_Exchange

    The National Student Exchange ( NSE) is a member-based, not-for-profit consortium of accredited colleges and universities in the United States, Canada, Guam, Puerto Rico and the U.S. Virgin Islands that provides study away opportunities among its member institutions. Established in 1968, NSE has provided exchange opportunities to more than ...

  8. Ion exchange - Wikipedia

    en.wikipedia.org/wiki/Ion_exchange

    Ion exchange is a reversible interchange of one species of ion present in an insoluble solid with another of like charge present in a solution surrounding the solid. Ion exchange is used in softening or demineralizing of water, purification of chemicals, and separation of substances. Ion exchange usually describes a process of purification of ...

  9. World Learning - Wikipedia

    en.wikipedia.org/wiki/World_Learning

    World Learning is a 501(c)(3) international nonprofit organization that focuses on international development, education, and exchange programs. Based in Brattleboro, Vermont, World Learning "unlocks the potential of people to address critical global issues" through its core program areas: The Experiment in International Living, the School for International Training (including the International ...