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Course Overview
 - Slide for this section

Session 1

What is the Internet?

Internet vs other information resources

Finding a 'knowledge hub'

Search engines

- How they work
 - Comparing engines
- Using Top Three sites

Search strategies

Offline Assignment 1

Session 2

Evaluating information
Researching companies
Researching markets
Researching countries
Researching news
Search software
Offline Assignment 2

Fact or Fiction: Evaluating Information on the Internet

Anyone with plenty of time on their hands can make a professional-looking Web site.   The Web itself is a source of lots of free information.  In practical terms this means that almost anyone can mock-up a Web site full of misinformation, disinformation, either intentionally or otherwise, and to the untrained eye it could look just as valid as a Web page from a reliable source.

Disinformation/misinformation can be of two types:

  • intentional, for example where a fact is purposely misrepresented to mislead
  • unintentional, such as human error in data entry, or the reproduction of inadequately understood information

With print, we have various ways of evaluating the information.  We ask; do I trust the publisher?  Do I trust the author?  If we have no way of making a judgement about either, we judge from the cover of the book, citations, recommendations.

On the Web, we do the following:

  • Look at the URL. Does the information appear to come from a trusted source?  The domain name is just a name: anyone can take out any domain name, but you can find out to whom a domain name is registered at Internic
  • Who is the author? Who owns the copyright?
  • Is reference made to the original source of any information, or if it is primary research, to the methods used to gather it?
  • When was the information last updated?  Sometimes, as on the R & D Intranet, the date on which the file was last updated is included.  But even if this information isn't volunteered, you can look at the file Properties (hold the mouse over the link, right click, Properties), which will tell you the size and date of the file at the end of the hyperlink.
For further information, there is an online, interactive tutorial, the Internet Detective (http://sosig.ac.uk/desire/
internet-detective.html), which gives a fuller account of techniques for validating information from the Internet.

The suffix of URL is a good source of information as to  where the site has come from and the type of source. Here are some examples which are useful to make a judgement as to whether the information given at the site is trustworthy or not.

Suffix Meaning Reliability
.gov Governmental often reliable
.mil Military often reliable
.net this implies that the site is a business concerned with the internet -
.com Commercial -
.edu Educational Not necessarily

Here are some examples of country suffixes which are useful to be able to recognise.

Suffix Country
uk UK
de Germany
jp Japan
za South Africa
dk Denmark

 

Exercise Number 8:  Using Intuition to Guess A Web Address

Suggested time for exercise = 5min SHOW HINTS

Using only your knowledge of how Web addresses are constructed (i.e. no search engines), just guessing the URL, find the Web sites of these sites:
  • Environmental Protection Agency (EPA)
  • Department of Education
  • National Institutes of Health (USA)
  • Monsanto (the chemical company)
  • Oxfam
  • The White HouseNext section