you've found some resources for your assignment:
are they appropriate for your research?

Not all information is SounD, valid information.

Evaluation means that you need to look carefully at your sources to determine whether they are reliable and appropriate for your information needs.

You should always evaluate any information source you use.

The six key criteria for evaluating sources are:

authority

Who is responsible for the content?
What are the author's qualifications?
Can you identify a parent organization or sponsor?
What are the qualifications of the parent organization or sponsor?

Always look for site-hosting information. An example of questionable authorship on a website: http://www.martinlutherking.org/

currency

When was the page written?
When was the page published?
Was the page recently revised?

accuracy

Is the information recent where appropriate?
Is the information detailed and comprehensive?
Are sources listed for the presented information?
Are there links to reputable outside sources?
Are there grammatical errors in the content?

scope

Is it an overview or is it specific information?
Is it too specific for your information needs?
Is it too general for your information needs? Do you need more detail?
Is there an intended audience?

objectivity

How much bias is evident in the content?
Does the content seem fair, balanced and reasonable?
Are there any conflicts of interest?
Are they trying to sell you something?

Some websites are blatantly biased and/or contain completely inaccurate, even malicious information.
Example of a biased webpage: http://ihr.org/

documentation

Are there citations?
If it is a web site, does it link to other reputable sites?
If it is a web site, who links to the site that you are evaluating?
Are there are graphs, tables, or illustrations to support the text?
Is the source of the information given?

Example of a webpage with questionable sources: http://www.melatonin.com/