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  2. Design-based research - Wikipedia

    en.wikipedia.org/wiki/Design-Based_Research

    Methodologically, the learning sciences differs from other fields in educational research. It focuses on the study of learners, their localities, and their communities. The design-based research methodology is often used by learning scientists in their inquiries because this methodological framework considers the subject of study to be a complex system involving emergent properties that arise ...

  3. Research and development - Wikipedia

    en.wikipedia.org/wiki/Research_and_development

    Cycle of research and development Spending on research and development as share of GDP (2015). Research and development (R&D or R+D), [1] known in some countries as experiment and design, is the set of innovative activities undertaken by corporations or governments in developing new services or products.

  4. Oesman Sadik Airport - Wikipedia

    en.wikipedia.org/wiki/Oesman_Sadik_Airport

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Special pages; Help; Learn to edit; Community portal; Recent changes; Upload file

  5. Weighted sum model - Wikipedia

    en.wikipedia.org/wiki/Weighted_Sum_Model

    In decision theory, the weighted sum model (WSM), [1] [2] also called weighted linear combination (WLC) [3] or simple additive weighting (SAW), [4] is the best known and simplest multi-criteria decision analysis (MCDA) / multi-criteria decision making method for evaluating a number of alternatives in terms of a number of decision criteria.

  6. PSA Airlines - Wikipedia

    en.wikipedia.org/wiki/PSA_Airlines

    PSA Airlines, Inc. is an American regional airline headquartered at Dayton International Airport in Dayton, Ohio.The airline is a wholly owned subsidiary of the American Airlines Group and it is paid by fellow group member American Airlines to staff, operate and maintain aircraft used on American Eagle flights that are scheduled, marketed and sold by American Airlines.

  7. Domperidone - Wikipedia

    en.wikipedia.org/wiki/Domperidone

    Domperidone, sold under the brand name Motilium among others, is a dopamine antagonist medication which is used to treat nausea and vomiting and certain gastrointestinal problems like gastroparesis (delayed gastric emptying).

  8. Sound effect - Wikipedia

    en.wikipedia.org/wiki/Sound_effect

    Various acoustic devices in a Greek radio studio Deep, pulsating digital sound effect Voice saying "Ja", followed by the same recording with a massive digital reverb A blackbird singing, followed by the same recording with the blackbird singing with 5 voices

  9. File:Hazel MacKaye and dog by Harris & Ewing.jpg - Wikipedia

    en.wikipedia.org/wiki/File:Hazel_MacKaye_and_dog...

    English: Glass negative (5x7in or smaller) of Hazel MacKaye, a member of the Advisory Council of the Congressional Union for Women Suffrage, and the writer and producer of the suffrage tableaux given on the Treasury Steps at Washington, D.C., on March 3rd, 1913. [1]