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The sea of information sources Nada Vukadinovič. books. s ubject teachers. e xperts in the field. journals. colleague students. diplomas. Internet. conference reports. encyclopedias. handbooks. Sources of information. Swimming in the sea of information.

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slide2

books

subject teachers

experts in the field

journals

colleague students

diplomas

Internet

conference reports

encyclopedias

handbooks

Sourcesof information

slide3

Swimming in the sea of information

How many documents are available in the Internet?

9 billion

How to access appropriate information?

Search engines (Google, Yahoo, Altavista, Hotbot, Lycos, najdi.si ...

slide5

Digital literacy

“Digital literacy is the ability of the user to find information, determine its usefulness and accuracy and utilise it effectively.”

Schrock K.

slide6

How do I become literate?

Information literacy does not belong

to librarians. It is a shared responsibility

which belongs to the faculty

and their teaching.

(P. Murphy: A 21st Century Challenge)

how can i find my way through the internet
How can I find my way through the Internet?
  • various levels of quality and reliability
  • various purposes: to inform, to persuade, to sell, to present a viewpoint, create or change an attitude or belief
  • screening information: decide what you want
slide8

Information search strategies

  • Analyze your topic to decide where to begin
  • Define a key word and test it
  • Use more than one word/phrase
  • Use parentheses (“) to group words
  • Narrow down search (Boolean logic:"AND," "OR," "AND NOT"
boolean operators
Boolean operators
  • constructing logical relationships among search terms by:

AND

OR

NOT

slide10

AND

crime

poverty

Bollean operator AND

Searching relationships between two concepts

poverty+crime

Search terms Results

poverty 783,447

crime 2,962,165

poverty AND crime 1,677

slide11

OR

university

college

Boolean operator OR

For synonyms

Search terms Results:

college 17,320,770

university 33,685,205

college OR university 33,702,660

collegeORuniversity

slide12

Boolean operator NOT

Avoid seeing information about the other concept

NOT

radiation

nuclear

Search terms Results

radiation 7,690,000

nuclear 15,500,000

radiation NOT nuclear 1,110,000

radiation -nuclear

slide13

Precision is vital

”If your target keyword is wrong all

your efforts will be in vain."

slide14

Defining key words

Over to you now

Define the key words for the following problem:

Municipal solid waste is a big problem for all communities.

There are mainly three options for solving this problem:

(a) reducing the amount of waste generated,

(b) disposing waste in landfills, (c) incinerating waste.

Describe all the three methods and point out advantages

and disadvantages of each.

possible search profiles
Possible search profiles:

“municipal solid waste”□+reduc*

“municipal solid waste”□+incinerat*

“municipal solid waste”□+landfil*

slide17

Website evaluation criteria

CARS Checklist for Information Quality

  • Credibility
  • Accuracy
  • Reasonableness
  • Support
credibility
Credibility
  • trustworthy source, author’s credentials, evidence of quality control, known or respected authority.
  • Ask yourself: is this an authoritative source, a source that supplies some good evidence that allows you to trust it?
accuracy
Accuracy
  • up to date, factual, detailed, exact, comprehensive.
  • Ask yourself: is it a source that is correct today (not yesterday), a source that gives the whole truth?
reasonableness
Reasonableness
  • fair, balanced, objective, reasoned, no conflict of interest, absence of fallacies or slanted tone.
support
Support
  • listed sources, contact information, available corroboration, claims supported, documentation supplied.

Source: http://www.virtualsalt.com/evalu8it.htm

conclusion

Thank you

Conclusion
  • Define key words
  • Formulate a search profile
  • Narrow down the profile
  • Look at the the web documents critically