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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]
The testing effect (also known as retrieval practice, active recall, practice testing, or test-enhanced learning) [1] [2] [3] suggests long-term memory is increased when part of the learning period is devoted to retrieving information from memory. [4]
The Leitner system [1] [2] [3] is a widely used method of efficiently using flashcards that was proposed by the German science journalist Sebastian Leitner in 1972. [ 4 ] [ 5 ] It is a simple implementation of the principle of spaced repetition , where cards are reviewed at increasing intervals.
[1] [2] They were introduced in 1957 and since then only the numbering changed, in order to make them easier to memorize. [ 3 ] The rules were based upon the success of the United States Armed Forces ' General Orders for Sentries , a set of guidelines designed for safety and efficiency for military personnel standing sentry duty.
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]
NATOPS instructor: A highly qualified air crewmember whose primary or secondary duty within an operational fleet squadron, training command squadron, or air test & evaluation squadron is administering the NATOPS evaluation program by conducting positional upgrade and/or annual periodic check rides of flight crew personnel for specific flight ...
Port Security Unit 305 simulate stopping an attack on an entry control point during a demonstration. Force protection (FP) is the concept of protecting military personnel, family members, civilians, facilities, equipment and operations from threats or hazards in order to preserve operational effectiveness and contribute to mission success.
The Oshkosh P-19R is an Aircraft Rescue and Fire Fighting (ARFF) vehicle and it was selected by the United States Marine Corps in 2013. [3] The first delivery occurred in June 2017, Initial Operating Capability (IOC) followed in February 2018, and in service the P-19R serves as a first-response vehicle in aircraft fire emergencies at military bases and expeditionary airfields.