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Monday, May 31, 2004
TCF.NET EDITORS PICK
Photo Essay
An inside look at PC Magazines PC Labs.
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About PC MAGAZINE PC
Magazine www.pcmag.com, the most important
technology publication in the world, delivers authoritative, labs-based
comparative reviews of computing and Internet products to more than 6.6
million highly engaged technology buyers. PC
Magazine defines technology for e-business and is the only magazine
with in-depth reviews and accurate, repeatable testing from PC Magazine
Labs placed in the unique context of today's business technology landscape. To meet its readers needs for buying information that is as
current as it is comprehensive, PC Magazine publishes 22 times a year
in print and continuously on the Web |
About PC MAGAZINE PC
Labs PC Labs is responsible for developing and conducting accurate,
appropriate, and reproducible test methods for all products reviewed in PC
Magazine. PC Labs' goal is to provide PC Magazine readers with
unbiased, detailed technical analysis of a product's features, performance,
ease of use, design, competitive positioning, suitability to perform common
tasks, and, to a lesser extent, its stability and compatibility. PC Labs
generates test results that are instrumental in assisting PC Magazine
readers with their product purchasing decisions. PC Labs tests
products only for editorial purposes, and does not test products commercially
for a fee. Accurate means that the product
is evaluated using test methodologies based on technical research of the
industry, our readers, and experts in the field. Appropriate means that product
evaluation measurements are based on metrics that are applicable for both
individual and corporate real-world use. Reproducible means that test
scenarios used in an evaluation can be recreated at a later time, with
results deviating not more than 5 percent from the original results. Labs Facilities PC Labs
facilities are located at PC Labs is
staffed by more than 25 permanent, full-time employees and, as workload
dictates, utilizes additional services from freelance testers, reviewers, and
contributing editors. Test Plans Before
testing begins, PC Labs project leaders develop test plans, commonly called
"test scripts", that describe in detail the entire project test methodology
for a comparative review project. Product testing may include computer
software or hardware performance tests, compatibility tests, electrical or
magnetic tests, subjective product or output quality tests, feature
verification tests, comparative feature analyses, and suitability-to-task
tests. Each of these kinds of tests has associated test or inspection
methodologies defined by the project leader. The test
script is instrumental in ensuring that accurate, appropriate, and
reproducible testing processes are in place. Test scripts help to remove any
possible product bias, permitting each product to receive a fair and balanced
technical review. Test scripts also act as reference points after a project
is complete and the information it generates is distributed to our readers. Test
scripts may vary in complexity and size, depending on the product category
and editorial focus. It is common for a test script to be comprised of 15 or
more pages of detailed, step-by-step testing processes. Test Procedures All
performance and benchmark testing is conducted in PC Labs facilities. We
generally test all other aspects in the labs as well, although this is
occasionally impractical. Normally,
performance tests are run a minimum of two times to reduce the chances of
generating anomalous results. If the second test run generates a result that
is less than or equal to plus or minus 5-percent variation from the first
test run, we use the results from the first run. If the second test run
generates a result greater than plus or minus 5-percent variation, but less
than or equal to plus or minus 10-percent variation, we conduct a third run
and average the results. Any second or third run that varies by more than
plus or minus 10 percent from the original is discussed with the technical
analyst or project leader and an appropriate resolution procedure determined.
In certain
situations such as PC testing, in which all test parameters are well-defined
and automated, the benchmark tests themselves are
validated in advance, and test procedures are repeated on a regular basis
from story to story, the need for a second run is subject to the project
leader's discretion. If the test-results analysis shows unexpected or
out-of-range results compared with similar products, products will be
re-tested. Product Handline PC Labs
does not typically purchase reviewed products. The rationale behind this decision
is that the computer-distribution channel is not quick enough for us to
guarantee that we will always have access to the latest version of a product
that we intend to test. By contacting vendors directly, we allow a level
playing field, and stay better informed on what the latest version of a
product is and when it will be available. This product information is passed
directly to our readers so that they, in turn, are better informed. We employ
several tactics to ensure that the product under testing is indeed the
product that can ultimately be purchased by an end user. Since these products
are loaned by vendors who are selected to participate in a comparative
review, PC Labs is fiscally responsible for the products it receives, and
must compensate vendors for damage or loss. After the evaluation period
(typically 90 days) has passed, the equipment is returned to the vendor. Vendors
usually provide Not for Resale or Evaluation copies of their software
products for testing, and when testing is completed, the software is held in
inventory and eventually transferred to our software library. Confidentiality Prior to
publication, PC Labs test results are disclosed only on a need-to-know basis
to product reviewers, PC Magazine editorial employees, and other Ziff Davis
Media employees directly associated with assisting product testing (such as
staff of the eTesting
Labs Benchmark Operations). Vendors, advertisers, and members of
the Ziff Davis Media sales and marketing staff are prohibited from access to
test results until publication. PC
Magazine and PC Labs honor non-disclosure agreements (NDAs), legally binding
agreements that give editors and Labs staff access to detailed, proprietary
product and strategic information on the condition that this information not
be published before a specific date. We use this information to better
prepare for product testing and to assist in the analysis and interpretation
of results. |
Richard Brill ©
2004 All RIGHTS RESERVED Today is