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What does the GRE measure?The GRE is an aptitude test. Like all aptitude
tests, it must choose a method by which it can measure intellectual ability. For the GRE,
math and English have been chosen.
The question is: does the GRE truly measure
aptitude for graduate school? Statistically, the GRE's ability to predict performance in
school is as poor as the SAT's. This is to be expected, since the tests are written by the
same company (ETS) and are very similar. In fact, the verbal and math portions of the two
tests are nearly identical, although the GRE's verbal section is significantly harder
(more big words), and its math section a little easier. The GRE also includes a writing
section that the SAT does not.
No test can measure all aspects of
intelligence. So it can be said that any admission test, no matter how well written, is
inherently inadequate. Nevertheless, some form of admission testing is necessary; it would
be unfair to base acceptance to graduate school solely on grades, which can be misleading.
For instance, would it be fair to admit a student with an A average earned in easy classes
over a student with a B average earned in difficult classes? A school's reputation is too
broad a measure to use as admission criteria - many students seek out easy classes and
generous instructors, in hopes of inflating their GPA. Any system that attempted to
monitor the academic standards of every class would be cost prohibitive and stifling. So,
until a better system is proposed, the GRE is here to stay.
Format of the GRE
The GRE CAT (Computer Adaptive Test) is
approximately three hours long. Only two-hours-and-thirty-minutes of the test count toward
your score - the experimental section is not scored. There are four sections in the CAT:
verbal (30 minutes); math (45 minutes); writing (75 minutes); experimental, which can be
verbal or math.
The verbal section contains 6 Sentence
Completions, 7 Analogies, 8 Reading Comprehension, and 9 Antonyms. The math section
contains 14 Quantitative Comparisons, 9 Multiple Choice, and 5 Graphs. The writing section
contains 2 writing tasks.
The experimental section can be a verbal
section or a math section. You won't know which section is experimental. You will know
which type of section it is, though, since there will be an extra one of that type.
Because the "bugs" have not been
worked out of the experimental section - or, to put it more directly, because you are
being used as a guinea pig to work out the "bugs" - this portion of the test is
often more difficult and confusing than the other parts.
The experimental section can be
disproportionately difficult, and you should remember this if you feel you have done
poorly on a particular section - it may have been the experimental section. In other
words, do not allow one difficult section to discourage your performance on the rest of
the test.
The Paper-and-Pencil Test vs. the
Computer Adaptive Test (CAT) format
The computerized GRE (or CAT) uses the same
type of questions as the paper-and-pencil test, the significant difference being the
medium in which the questions are presented.
There are advantages and disadvantages to
the CAT. Probably the biggest advantages are that you can take the CAT just about any
time, and you can take it in a small room with just a few other students - instead of in a
large auditorium with hundreds of other stressed people. Distinct disadvantages are that
you cannot return to previous questions (you cannot move to the next question until an
answer has been given for the current one), it is easier to misread a computer screen than
it is to misread printed material, and it can be distracting looking back and forth from
the computer screen to your scratch paper.
Pacing
Although time is strictly limited on the
GRE, working too quickly can damage your score. Many problems hinge on subtle points, and
most require careful reading of the setup. Because undergraduate school puts such heavy
reading loads on students, many will follow their academic conditioning and read the
questions quickly, looking only for the gist of what the question is asking. Once they
have found it, they mark their answer and move on, confident they have answered it
correctly. Later, many discover that they missed givign correct questions because they
either misread the problems or overlooked subtle points.
To do well in your undergraduate classes,
you had to attempt to solve every, or nearly every, problem on a test. Not so with the
GRE. In fact, if you try to solve every problem on this test you will probably decimate
your score. For the vast majority of people, the key to performing well on the GRE is not
the number of questions they solve, within reason, but the percentage they solve
correctly.
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