Actual investigative journalism into the standardized tests developed by large education corporations that can have a major impact on the lives of students. "The examination found that for nearly 9 percent of exams, one in 10 or more test items showed signs of potential problems, threatening the tests’ overall quality and raising questions about fairness. The finding was based on a statistic commonly referred to as“discrimination” (typically the“point biserial”or “item-total correlation”). Low-discrimination questions such as those the newspaper identified should often be revised or thrown out, experts say. " Yep, almost 9% of questions. digital.olivesoftware/Olive/ODE/AtlantaJournalConstitution/LandingPage/LandingPage.aspx?href=QUpDLzIwMTMvMDkvMjI.&pageno=MQ..&entity=QXIwMDEwMQ..&view=ZW50aXR5
Posted on: Thu, 26 Sep 2013 23:46:47 +0000
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