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Simpson Library | Special Collections

Information Evaluation: Move Two: Investigate the Source

Move 2: Investigate the Source

silhouette of man in trenchcoat and hat

Move Two: Investigate the Source

Investigating the source means knowing what you’re reading before you read it. This doesn't mean you have to do a Pulitzer prize-winning investigation into a source before you engage with it. But taking sixty seconds to figure out where information is coming from before reading will help you decide if it is worth your time, and if it is, help you to better understand its significance and trustworthiness.

The following (3:15) video highlights how many of the things we think will make us better at the web—raw intelligence, critical thinking skills, familiarity with technology—don’t necessarily help when investigating a source:


The Wikipedia Trick

Why did the fact-checkers perform so much better than the other test groups in the video above? They used a simple, quick technique called the “Just Add Wikipedia Trick.” The two (2:45/1:47) videos below will introduce you to the Wikipedia trick and show you how effective it is for investigating sources.

Investigate the Source

Wikipedia Trick Continued

The Wikipedia Trick Continued

In the videos above, we opened a new tab and fired up a search result page, typing a domain plus “Wikipedia” into the search box. In this next (3:33) video, we use a variation of this technique (using Ctrl + F) to show how it is particularly helpful for quick research on organizations.

What exactly do you look for on the Wikipedia page? It varies. Sometimes — as with the Nuclear Matters material in the video to the right — what sticks out most is the agenda of the group, e.g. something you thought was a research group turns out to be a political advocacy group with ties to the industry. Sometimes it's the fact that a source has a history of unreliability, as was the case with Before It's News. And many times (most, actually!) it will turn out the source is just fine, as we saw with the SacBee example.

But rather than a checklist of things to look for on the Wikipedia page, we want you to focus on three organizing questions:

  • What is this site or organization set up to do? What is their agenda?
  • Is the site or organization I am researching what I thought it was?
  • If not, does it make it more or less trustworthy?

If you thought something was from a straight news site and it turns out to be from a conspiracy site, that should surprise you. And given your new knowledge, your initial impression of the trustworthiness should plummet. If you thought you were looking at a minor, unknown newspaper and it turns out to be a multi-award winning national newspaper of record, maybe your assessment of its trustworthiness increases. The effects on trust are of course contextual as well: a small local paper may be a great source for local news, but a lousy source for health advice or international politics.


Wikipedia + Google News + Google Scholar

Investigating People

What if—instead of researching an organization or website—your investigation requires you to evaluate the expertise and trustworthiness of an individual person? The (4:40) video to the right will show you how to use Google News and Google Scholar (with the Wikipedia trick) to further investigate your sources.

While it is not the most exhaustive way to evaluate the authority of an individual, the method demonstrated in the video to the right allows you to “sanity-check” expertise. In other words, it allows you to quickly see if someone is known to have expertise in their area.

Next Move



Finished with Move Two?

Click here to take a look at Move Three.

Or, use the blue tabs at the top of the guide to navigate to your desired page.

Check the Source

Wikipedia + Omni Bar







Click here to watch another (3:54) video of Caulfield employing the Wikipedia trick, this time to check the validity of Coronavirus-related news sources.














This guide is based on the work of Mike FitzGerald, Los Angeles Valley College Library, which can be found here.

The SIFT Method portion of this guide was adapted from "Check, Please!" (Caulfield). The canonical version of Check, Please! exists at (CC-BY). As the authors of the original version have not reviewed any other copy's modifications, the text of any site not arrived at through the above link should not be sourced to the original authors.