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The EF Standard English Test is a standardized test of the English language designed for non-native English speakers. [1] It is the product of EF Education First , a global language training company, and a team of language assessment experts including Lyle Bachman, Mari Pearlman, and Ric Luecht.
EF Education First (abbreviated as EF) is an international education company that specialises in language training, educational travels, academic degree programmes, and cultural exchanges. The company was founded in 1965 by Bertil Hult in the Swedish university town of Lund .
It is the product of EF Education First, an international education company, and draws its conclusions from data collected via English tests available for free over the internet. [3] [4] The index is an online survey first published in 2011 [5] based on test data from 1.7 million test takers. [6] The most recent edition was released in November ...
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As a result of the fast-growing use of ITBS tests, he developed the first practical optical mark recognition system as a replacement for the electrical mark sense IBM 805 Test Scoring Machine. Although many of his colleagues at the University of Iowa contributed to the invention, Lindquist is generally credited with this development and is the ...
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The National Weather Service's arrow showing the EF scale. This includes a description word for each level of the scale. This includes a description word for each level of the scale. The Enhanced Fujita scale (abbreviated as EF-Scale ) is a scale that rates tornado intensity based on the severity of the damage they cause.
Finally, the test data set is a data set used to provide an unbiased evaluation of a final model fit on the training data set. [5] If the data in the test data set has never been used in training (for example in cross-validation), the test data set is also called a holdout data set. The term "validation set" is sometimes used instead of "test ...