Word: cbt
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...student taking a GRE computer-based test (CBT) is initially given an "average level question," according to Johnson. The testing program responds to a correct answer by raising the student's score and offering a higher question next. An incorrect answer results in a lowered score and an easier follow-up question...
While the paper-based test is only offered several times a year, the CBT is offered two to three weeks out of every month, depending on the test center, Johnson says. Test-takers may attend either morning or afternoon sittings and need to register only days in advance...
...some students, the CBT pro- gram has several drawbacks that makepaper-based testing the more appealing of the twooptions...
...value than the dollars needed to buy a future on them. More important, commodity prices are being rocketed upward by a huge increase in worldwide demand for U.S. farm products. "Our markets are coming out of the age of surpluses," which always had a potential to depress prices, says CBT Pit Trader Richard H. Mayer...
...three of every four amateur commodity players lose money in the long run. Yet the rewards for the winners-and the sheer excitement of the action-seem to hold a special fascination for younger speculators. "We have a new crew of investors, people not scarred by the Depression," says CBT Trader Mayer. 'They take chances because they want to live...