Transcript Web Evaluation PP

WEB
EVALUATION
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…Topics
1: The Importance of Web
Evaluation
2: The 5 Traditional
Evaluation Criteria
3: Adapting Traditional
Evaluation Criteria To Web
Resources
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Topics
(continued)
4: The New Challenges
of Web Resources
5: Applying Evaluation
Criteria To Web
Resources
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Web Reliance
Ubiquity…
err… it’s everywhere.
However there is great
variation in quality
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New Criteria
Traditional criteria
are still useful
…but new criteria
are needed
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There are
FIVE
Traditional
Evaluation
Criteria
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1. Accuracy
2. Authority
3. Objectivity
4. Currency
5. Coverage
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Accuracy
Ask yourself:
How reliable and free
from error is the
information?
Are there editors or
fast checkers?
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Accuracy
(continued)
Almost anyone can
publish on the web
Many web resources
are not verified
Web standards to
ensure accuracy are
still being developed
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Authority
Can you determine
who is the author?
What are the authors
qualifications for
writing on the subject?
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Authority
(continued)
Can you tell who
is the publisher?
How reputable is
the publisher?
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Objectivity
How much of the
information presented
with a bias?
Is the author trying to
change the opinion of
the reader?
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Objectivity
(continued)
The Web often
functions as a
soapbox
This may be ok…
…provided it is stated.
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Currency
Is all content up-to-date?
Is there a publication date?
If there is, does it indicate:
1. The date first created?
2. The date first placed on the web?
3. The date last revised?
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Currency
Are the types of media
included appropriate for
current technology levels?
(remember you must conceptualise
whom the audience is likely to be).
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Coverage
What topics are included
in the work?
To what depth are these
topics covered?
Issue:
It is often difficult to
tell the extent of a
web publication
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Other
Challenges
Hypertext Links
Use of Frames
Blending of Entertainment,
Information and Advertising
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More Challenges
Software and Hardware
requirements affect access
Susceptibility of web pages
to alteration
Search Engines can retrieve
pages out of context
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Conclusions
Web evaluation techniques
are still being developed
Technology is changing,
making it difficult to
establish guidelines
Creating guidelines will be
an ongoing evolutionary
process
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So...??????
You can apply
this knowledge
when using the
web as a
research tool.
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Evaluation
Step 1: Identify type of page
Step 2: Use checklist
Step 3: Based on the criteria
in the checklist, determine
the relative quality of a page
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Suggestions For Sites To Analyse
News Site
http://news.bbc.co.uk/
Education Site
http://www.edna.edu.au/edna/page1.html
Advertising Site
http://www.coke.com/flashIndex1.html
Personal Sites
http://www.microsoft.com/billgates/default.asp
http://patricklynch.net/
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