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Often discussed in tandem with KR-20, is Kuder–Richardson Formula 21 (KR-21). [4] KR-21 is a simplified version of KR-20, which can be used when the difficulty of all items on the test are known to be equal. Like KR-20, KR-21 was first set forth as the twenty-first formula discussed in Kuder and Richardson's 1937 paper.
Twenty questions. Twenty questions is a spoken parlor game which encourages deductive reasoning and creativity. It originated in the United States and was played widely in the 19th century. [1] It escalated in popularity during the late 1940s, when it became the format for a successful weekly radio quiz program. [citation needed]
The United States National Chemistry Olympiad (or USNCO) is a contest held by the American Chemical Society (ACS) used to select the four-student team that represents the United States at the International Chemistry Olympiad (IChO). Each local ACS section selects 10 students (or more for larger ACS sections) to take the USNCO National Exam.
Settle down with your dad this Sunday, with the beverage of your choice. Put your cell phones away – unless you are using to record the conversation -- and use these 20 questions as jumping off ...
Miscellaneous. Genre. Game show. First aired. 27 February 2007; 17 years ago (2007-02-27) Are You Smarter than a 5th Grader? is a game show franchise that was co-created and produced by Mark Burnett, Barry Poznick and John Stevens. Adult contestants answer questions, as if they came from an elementary grade school quiz.
20Q. 20Q is a computerized game of twenty questions that began as a test in artificial intelligence (AI). It was invented by Robin Burgener in 1988. [1] The game was made handheld by Radica in 2003, but was discontinued in 2011 because Techno Source took the license for 20Q handheld devices. The game 20Q is based on the spoken parlor game known ...
August 15, 2009. (2009-08-15) Related. 20 Questions (1946-1955) 20Q is an American game show based on the online artificial intelligence and handheld computer game of the same name. Licensed to and produced by Endemol USA, it premiered on June 13, 2009, during Big Saturday Night airing on GSN, and is hosted by Cat Deeley of So You Think You Can ...
v. t. e. In the United States, academic grading commonly takes on the form of five, six or seven letter grades. Traditionally, the grades are A+, A, A−, B+, B, B−, C+, C, C−, D+, D, D− and F, with A+ being the highest and F being lowest. In some cases, grades can also be numerical. Numeric-to-letter-grade conversions generally vary from ...