Skip to main content

Medical Laboratory Technician (MLT): Evaluating Resources

This guide will provide academic resources for students and faculty enrolled in the Medical Laboratory Technician (MLT) program at CVTC.

Where to start...

Review the National Library of Medicine's Evaluating Health Information site. 

When doing health research, look for Internet sites with the HON Code designation. Sites with this designation have to adhere to a Code of Conduct and are given a certification status by the Health on the Net Foundation. These sites are more credible than others without the designation.


The CRAAP* test can also help you consider the credibility of the information you encounter, both online and in print materials.

Currency  The timeliness of the information

When was the information published or posted?

Has the information been revised or updated?

Does your topic require current information, or will older sources work as well?

Are the links functional?


Authority The source of the information.

Who is the author/publisher/source/sponsor?

What are the author's credentials or organizational affiliations?

Is the author qualified to write on the topic?

  • What else has the author written?

Is there contact information, such as a publisher or email address?

Does the URL reveal anything about the author or source?

  • examples: .com .edu .gov .org .net

Purpose The reason the information exists.

What is the purpose of the information? Is it to inform, teach, sell, entertain or persuade?

Do the authors/sponsors make their intentions or purpose clear?

  • Search for links to “About Us”, “Mission”, ect.

Is the information fact, opinion or propaganda?

Does the point of view appear objective and impartial?

Are there political, ideological, cultural, religious, institutional or personal biases?


Relevance The importance of the information for your needs.

Does the information relate to your topic or answer your question?

Who is the intended audience?

Is the information at an appropriate level (i.e. not too basic or advanced for your needs)?

Have you looked at a variety of sources before determining this is one you will use?

Would you be comfortable citing this source in your research paper?


Accuracy The reliability, truthfulness and correctness of the content

Where does the information come from?

Is the information supported by evidence?

  • Is there a list of cited materials?

Has the information been reviewed or refereed?

  • Did you get this from a reviewed journal?

Can you verify any of the information in another source or from personal knowledge?

  • Make sure you use more than one source!

Does the language or tone seem unbiased and free of emotion?

Are there spelling, grammar or typographical errors?


* modified from Evaluating Information -- Applying the CRAAP Test from California State University, Chico.