Word: predictor
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...stressed Scholastic Aptitude Test (SAT). But the University's shift reflects but one side of a growing debate among educators over just which test is more free of bias, whether colleges should be testing for innate ability or proven achievement, and whether any established test is really an accurate predictor of either...
...always been considered a foot-proof predictor of the upcoming Eastern sprints. Only once in the last 14 years has the "HYP" champ failed to take the sprints. But this year, Soghikian said. Yale will have something to think about: "Half a second doesn't mean anything I'm still pretty confident...
...more obscure debate over the validity of the SAT as a predictor of academic success, Slack and Porter argue that research has been consistently misinterpreted by ETS. The testers, on the other hand, charge their critics with intentionally using improper statistical methods in re-analyzing existing data. The bottom line is that ETS and the College Board contend that using the SAT "improves" prediction by 27 per cent over a system in which high school grades are used alone; Slack and Porter set the factor at "an insignificant 1 to 4 per cent...
...emissions. Abruptly, the 5-to-1 ratio of carbon dioxide to sulfur dioxide dropped sharply to 2.4 to 1. Similar drops preceded at least two of the post-May 18 eruptions. That raised immediate concern that the volcano was about to blow again. But the ratio is no certain predictor. Says Geologist Bob Noble: "We don't have anything that's 100% accurate...
...scores. As average family income increases, test scores rise proportionately. Many such as Alan Nairn, head of the Nader study group, claim this is direct evidence of an economic bias in the tests. The Nairn-Nader study says ETS statistics show SATs are not a very accurate predictor of a student's first year grades. "Ninety per cent of the time, tests predict a student's first year grades no more accurately than a roll of dice," Massade says. Although Mary Churchill, associate director of the Information Division of ETS, agrees that high school grades are statistically a better indicator...