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Grae Inflation

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Submitted By abharathkumar
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Introduction
Grade inflation has been a subject of debate and concern for several years. Grade inflation is “Oversupply of higher grades” (Kassahun, 2008, p. 33). It simply means ''an increasing proportion of excellent grades scored by college students without evidence of a concurrent increase in their actual performance'' (Kassahun, 2008, p. 33). There are several reasons that could contribute to the grade inflation, some of which are considered to be sin. Achen and Courant (2009) point out continuing increases in average grades have been widely documented in many universities over the several decades. They concur systematic differences in grade levels by field of study is associated with grade inflation. Achen and Courant (2009) argue, they find it difficult to explain persistence of these relative differences than persistence of modest grade inflation in general. The article was primarily focussed to understand these differences, by analysing the detailed data they had from College of Literature, Science, and the Arts (LSA) at the University of Michigan.
Achen and Courant (2009) study was limited to Michigan’s College of Literature, Science, and the Arts (LSA) with 16000 students. LSA provides the basic science and math courses to students in the College of Engineering, which is the second-largest undergraduate College at Michigan. The data is from 25 departments from Fall 1992 through Winter 2008.
Main claims and evidence or arguments used in the article
Achen and Courant (2009) point out the data showed continuing grade inflation throughout the period 1992–2008. Measured absolutely on the standard four-point scale, average rates of grade inflation at the University of Michigan over the period for which they had data was 0.011 for lower-division (freshman/sophomore-level) courses and 0.009 for junior/senior courses. This evidence was used by authors to

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