Module 6 - Evaluating Sources of Information
Why Evaluate?
In today's information age anyone who has the necessary skills can find a wealth of information on almost any topic. The challenge is to sift through a huge amount of information and identify
sources that are reliable and appropriate.
Whether you find information in books and periodicals, on the Internet,
or on television, you cannot assume it is reliable. The user is responsible for evaluating information and judging its quality.
Following is a checklist of points to consider when evaluating any information source:
Evaluation Criteria
- Authority
- What are the author's credentials? Does the author have expertise on the subject?
How can I find out?
- Look at the source to see if it tells you anything about the author's credentials.
- Check a biographical source.
- Read a critical review. A review will often give information about the author.
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- Timeliness
- When was the information published? Is the date of publication important to the subject matter?
How can I find out?
- Look at the date of publication.
- Determine whether it is important to use current sources for the subject. In fields such as medicine, science. business, and technology, currency of information is important. In fields such as history and literature, older materials may be just as valuable as newer ones.
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- Documentation
- Does the author refer to other works? Does the source have a bibliography?
How can I find out?
- Does the author support his or her statements with data or references to research?
- Look at the end of the source for a bibiography or list of references.
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- Purpose
- What is the purpose of the source? Is it to inform, persuade, present opinions, report research, or sell a product? For what audience is it intended? Does it show any bias? Is it popular or scholarly?
How can I find out?
- Read the source you are evaluating.
- Determine whether the source is published by an organization with a particular purpose.
- Determine whether the source attempts to sell a product or promote a particular point of vies. Also, see if it presents a balanced view.
- Determine whether the material is scholarly or popular using this list of criteria.
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- Review Process
- If the source is a periodical article, was it reviewed for publication? If the source is a book, what is the reputation of the publisher? If it is from the Internet, was there any review process at all? Was it critically reviewed after it was written?
How can I find out?
- To find out whether a journal is peer reviewed or refereed, look at the front pages of the journal or check The Serials Directory through EBSCohost.
- Information may be published by an association, a university press, a commercial publisher, or a government. If you know something about the publisher, you can often identify bias and point of view.
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- Suitability
- Does the source contain the information you need? Is it written at a level you can understand?
How can I find out?
- Read the source. If it contains too much technical or specialized language or if it is written for experts in the field, you may wish to choose another source.
- Determine whether the information is too general or too specific for your need.
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