SIFT is a series of actions you can take to determine the validity and reliability of claims and sources on the web.
The SIFT method, or strategy, is quick and simple and can be applied to various kinds of online content: news articles, scholarly articles, social media posts, videos, images, etc.
Each letter in SIFT corresponds to one of the Four Moves:
Stop
Investigate the source
Find better coverage
Trace claims, quotes and media to the original context
Find more details on the Four Moves from Mike Caulfield's SIFT (Four Moves), which is licensed under a Creative Commons Attribution 4.0 International License.
STOP. Ask yourself whether you know the website or source of information and the reputation of both the claim and the website. If you feel yourself getting overwhelmed in your fact-checking efforts, STOP and take a second to remember your purpose.
Search news databases for relevant stories. Use known fact-checking sites. Use reverse image searching to find relevant sources on an image.
Much of what we find on the internet has been stripped of context. In these cases, we’ll have you trace the claim, quote, or media back to the source, so you can see it in its original context and get a sense if the version you saw was accurately presented.
If you’re visiting an online health site for the first time or downloading a new app, ask these five questions:
Source: Finding and Evaluating Online Resources (National Center for Complementary and Integrative Health)
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