[xmca] information literacy

From: Mike Cole (lchcmike@gmail.com)
Date: Mon Mar 27 2006 - 18:02:27 PST


The term, information literacy, is one I learned from Kristen Clark, a grad
student here at UCSD. It turned up in an
interesting way in the NY Times yesterday. fyi
mike

 Searching for Dummies

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     By EDWARD TENNER
Published: March 26, 2006

Plainsboro, N.J.
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  TALK of decline was old news in academia even in 1898, when
traditionalists blasted Harvard for ending its Greek entrance requirement.
But today there's a new twist in the story: Are search engines making
today's students dumber?

In December, the National Center for Education Statistics published a report
on adult literacy revealing that the number of college graduates able to
interpret complex texts proficiently had dropped since 1992 from 40 percent
to 31 percent. As Mark S. Schneider, the center's commissioner of education
statistics, put it, "What's disturbing is that the assessment is not
designed to test your understanding of Proust, but to test your ability to
read labels."

The Higher Education Supplement of The Times of London reports that a
British survey also finds that the ability of undergraduates to read
critically and write cogently has fallen significantly since 1992. Students
are not just more poorly prepared, a majority of queried faculty members
believe, but less teachable.

While some blame reality television, MP3 players, cellphones or the
multitasking that juggles them all, the big change has been the Web.
Beginning in the early 1990's, schools, libraries and governments embraced
the Internet as the long promised portal to information access for all. And
at the heart of their hopes for a cultural and educational breakthrough were
superbly efficient search engines like Google and those of its rivals Yahoo
and MSN. The new search engines not only find more, they are more likely to
present usable information on the first screen.

Google modestly declares its mission "to organize the world's information
and make it universally accessible and useful." But convenience may be part
of the problem. In the Web's early days, the most serious search engine was
AltaVista. To use it well, a searcher had to learn how to construct a search
statement, like, say, "Engelbert Humperdinck and not Las Vegas" for the
opera composer rather than the contemporary singer. It took practice to
produce usable results. Now, thanks to brilliant programming, a simple query
usually produces a first page that's at least adequate "satisficing," as
the economist Herbert Simon called it.

The efficiency of today's search engines arises from their ability to
analyze links among Web sites. Google led in ranking sites by how often they
are linked to other highly ranked sites. It did so using an elaborate
variation of a concept familiar in natural science, citation analysis.
Instead of looking at which papers are cited most often in the most
influential journals, it measures how often Web pages are linked to highly
ranked sites ranked by links to themselves.

Citation analysis has been attacked in library circles for inflating the
ratings (and indirectly the subscription prices) of certain journals. Search
engines have the opposite problem: dispersion rather than concentration of
interest. Despite constant tweaking, their formulas display irrelevant or
mediocre sites on a par with truly expert ones.

Curious about the academic field of world history? A neophyte would find
little help entering "world history" in Google. When I tried, the only
article on the world history movement, from the open-source Wikipedia
project, didn't appear until the fifth screen and was brief and eccentric,
erroneously dating the field from the 1980's. (In fairness to Wikipedia,
that entry has since been corrected and improved; moreover, the paid-access
Encyclopaedia Britannica site has no specific article at all.) Only on the
seventh screen did I find the World History Network site, financed by the
National Endowment for the Humanities, and it is not yet a good portal for
beginners.

Many students seem to lack the skills to structure their searches so they
can find useful information quickly. In 2002, graduate students at Tel Aviv
University were asked to find on the Web, with no time limit, a picture of
the Mona Lisa; the complete text of either "Robinson Crusoe" or "David
Copperfield"; and a recipe for apple pie accompanied by a photograph. Only
15 percent succeeded at all three assignments.

Today, Google may have expedited such tasks, but the malaise remains. In the
February newsletter of the American Historical Association, the reference
librarian Lynn D. Lampert notes the prevalence of "ill-conceived (or often
nonexistent) student research practices." As another university librarian,
Pamela Martin, observed, "Google's simplicity and impressive search prowess
trick students into thinking they are good all-around searchers, and when
they fail in library searches, they are ashamed as well as confused."

Higher education is fighting back. Librarians are teaching "information
literacy" and establishing alternative Web indexes. Graduate students, in
the front lines as teaching assistants, are starting to discuss joining
Wikipedia rather than fighting it, as many instructors still, quixotically,
do.

Can better information in the classroom produce the literate, numerate
society the Web once promised? There are two ways to proceed. More owners of
free high-quality content should learn the tradecraft of tweaking their
sites to improve search engine rankings. And Google can do more to educate
users about the power and frequent advisability of its advanced search
options. It would be a shame if brilliant technology were to end up
threatening the kind of intellect that produced it.

Edward Tenner, the author most recently of "Our Own Devices: How Technology
Remakes Humanity," is working on a book about positive unintended
consequences.
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