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The passages and questions are predetermined, and thus do not change significantly in difficulty depending on the performance of the test taker (unlike, for example, the general Graduate Record Examinations). To account for slight differences in difficulty across test versions, the exam uses a scaled score for each section, converting numerical ...
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The Princeton Review is an education services company providing tutoring, test preparation and admission resources for students. It was founded in 1981, [1] and since that time has worked with over 400 million students.
Test-takers frequently complain about the inability to review. [9] Because of the sophistication, the development of a CAT has a number of prerequisites. [10] The large sample sizes (typically hundreds of examinees) required by IRT calibrations must be present. Items must be scorable in real time if a new item is to be selected instantaneously.
Conversely, single sign-off or single log-out (SLO) is the property whereby a single action of signing out terminates access to multiple software systems. As different applications and resources support different authentication mechanisms, single sign-on must internally store the credentials used for initial authentication and translate them to ...
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Computer systems keep a log of users' access to the system. The term "log" comes from the chip log which was historically used to record distance traveled at sea and was recorded in a ship's log or logbook. To sign in connotes the same idea but is based on the analogy of manually signing a log book or visitor's book.