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Download full textGu, Lin; Lockwood, John; Powers, Donald E. – ETS Research Report Series, 2015
Standardized tests are often designed to provide only a snapshot of test takers' knowledge, skills, or abilities at a single point in time. Sometimes, however, they are expected to serve more demanding functions, one of them is assessing change in knowledge, skills, or ability over time because of learning effects.The latter is the case for the…
Descriptors: Language Tests, Second Language Learning, English (Second Language), Standardized Tests
