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Library Research Tutorials

This guide walks you through the research process with sections on searching the library catalogs and databases as well as tips on crafting research topics and how to evaluate sources.

Evaluating Sources

 

This page covers:

  • How we Determine and Evaluate Authority
  • The Peer Review Process
  • Using the SIFT Method to Evaluate Sources
  • Using the CRAAP Test to Evaluate Scholarly Sources

 

What's the point?

The ability to find and evaluate credible sources of information is a critical skill in our coursework and personal life. Learning how to evaluate the information we encounter is a critical life skill that will help you identify reliable information. This page will walk you through some important concepts around authority and how a few strategies for how to evaluate sources.

 

 

Navigating this page:

  • This page is designed with multiple learning pathways. The same information is covered in each pathway, so simply choose whichever fits your learning style best. You can explore the information two ways:
  • Text: Read about the Information in the boxes at the top of the page.
  • Watch: Watch a video about the information in the Video Tutorials box at the bottom of the page.

 

Understanding "Authority"

Authority is Constructed and Contextual

A core concept in the evaluation of any source is that authority is constructed and contextual. But what does that mean? It means that we, as a society, decides what makes someone an authority (constructed) on a subject and that an expert in one subject is not an expert in all topics (contextual). Traditionally, we base an author’s credibility on if their writing is peer reviewed, their academic credentials (degrees and positions), or affiliations with large organizations or Universities. However, there are other types of authority that you can (and should) consult in your research.  

Types of Authority

Type of Authority Examples Where to Find the Sources

Subject Expertise

Scholars, academics Scholarly publications (books, articles) …
Societal Position Public office, titles Press releases, interviews, reports …
Special Experience Participant Interviews, blogs, social media …

For example, if your research topic was the Houston Astros cheating scandal at the 2017 World Series, you can find studies published by academics discussing the topic (subject expertise), news articles of interviews from the Major League Baseball (societal position), as well as social media or blogs or interviews from athletes (special experience). All these sources of authority may include personal or professional biases, falsehoods, or inaccurate information. This means that while you can and should expand your definition of 'authority', you still need to critically evaluate all types of authority and the information they are sharing. This section of the module should help you build these skills.

When starting your research, pull your information (when possible) from all three types of authority. 

Peer Reviewed Sources

What does "Peer Reviewed" mean?

You will hear the phrase "peer reviewed" over and over again in your assignments. But what does it mean? A peer reviewed article is an article that has gone through the peer reviewed process. This process is where experts in a field review and evaluate a manuscript prior to its publication. It is a strong indicator of a credible source and quality scholarship. The peer review process takes years to navigate and, therefore, there will always be a long delay between an event and scholarly publication. Additionally, be careful of imposter articles. Not everything inside a peer reviewed journal is peer reviewed. Some journals also include editorials and letters, which are not peer-reviewed. The format of these sources (reviews and letters) usually makes them easy to distinguish from peer reviewed articles in the journal. However, if you are unsure, check with a librarian.

Peer-Reviewed articles are often considered the "gold standard" of academic sources and your professor will often ask you to cite them. While these sources are important and useful, these materials are authored almost solely by academics. Review the information above on how authority is constructed and contextual. If you only rely on peer-reviewed sources, whose voices are being left out of the conversation and your research?

 

The Peer Review Process Explained

  • Infographic image displaying the same information as the text to the left.A researcher performs a study or researches a topic and writes a paper.
  • The researcher submits the paper to an editor from a peer-reviewed journal.
  • If accepted, the journal's editor sends the article out anonymously to experts in the field and they provide feedback, criticism, or concerns on the article.
  • The researcher makes the corrections and resubmits it to the article.
  • The journal editor can then again choose to reject or publish the article.

 

 

Image Credit: "The Peer Review Process" from UC Berkeley's Understanding Science.

 

Evaluating Sources with the SIFT Method

Evaluating Sources with the SIFT Method

Evaluating sources, whether academic or popular, is tricky. The SIFT Method was created by Mike Caulfied and is a tool that helps you determine if an online source is credible. Unlike the CRAAP Method, the SIFT Method was designed specifically for evaluating online sources of information. However, that doesn't mean it can't be used for academic sources, in your research use whichever method or tools fit your needs best.

 

Stop.

  • Before you read or share a website or source: stop.
  • Ask yourself, what do you know about this website (or source of information) and the topic? Do you already know a lot about the topic and source or do you need to investigate them?
  • Tip: Watch out for Click-Bait and check your emotions. It's okay to have a strong emotional reaction to a source, but you need to understand and recognize the reaction you are having and why.

 

Investigate the Source.

  • Is this source worth your time?
  • Are the source and publisher credible?
  • What can you find out about the website or author? - What others say about a source can sometimes be more helpful than what a source says about themselves.
  • Tip: There are many ways to check the authority of a source: look up information on the journal, author’s blurb on magazines and websites, the ‘About the Author’ section in the back of a book, or the ‘About Us’ section of a website. However, it is often better to see what others say about a source. Here are two tricks on how to do that:
    • Just Add Wikipedia: search the main website URL, organization, or person’s name and add Wikipedia to an Internet search.
    • Web Searching: If the author, organization, or publisher does not have a Wikipedia entry, try performing an Internet search with the organization or person’s name with -site:www.organizationsdomain.com this will bring up websites mentioning the organization but will exclude the organization’s website from your search results.

 

Find Trusted Coverage.

  • Are you not sure your source is reliable?
  • Find another source that discusses the same information.
  • Tip: Try looking at Fact Checking websites to see if someone has done the work for you and either verified or discredited your source's claim. Here are just a few common fact checking websites: Snopes.com, Factcheck.org, and politifact.com.

 

Trace the Claim Back to the Original Source.

  • Information on the internet is often removed from its original context. You can find this in shared images or an article that is discussing and summarizing another article.
  • Track down the original source of the information.
  • Check if your source is accurately presenting the information.
  • Tip: For text, see if your source is citing another article. Is CNN discussing a scientific study published in Nature, then go to the peer reviewed journal for the information.
  • Tip: For images, try performing a reverse image search in Google to trace the image back to its original context.

Evaluating Sources with the SIFT Method

Evaluating sources, whether academic or popular, is tricky. The SIFT Method was created by Mike Caulfied and is a tool that helps you determine if an online source is credible. Unlike the CRAAP Method, the SIFT Method was designed specifically for evaluating online sources of information. However, that doesn't mean it can't be used for academic sources, in your research use whichever method or tools fit your needs best. Don't waste your time on a source that isn't going to help you, do the CRAAP Method first.

If this looks overwhelming, look at the TikTok tutorials on this page, which cover the same information but in a more recognizable format. Also, check out the left side of the page for a video tutorial on using the SIFT Method.

Infographic image explaining the SIFT Method. For text see the "Read the Text" tab above.

Evaluating Sources with the C.R.A.A.P. Test

The CRAAP Test

The CRAAP Test is a method for evaluating sources, which has you evaluate a source by answering questions based on five categories. These categories are easy to remember with the CRAAP acronym:

  • C = Currency
  • R = Relevance
  • A = Authority
  • A = Accuracy
  • P = Purpose

 

Yellow lightbulb inside a blue circle.Tip: Context is everything. Do not look at these categories as immediate yes/no or good/bad evaluations of a source. Instead, look at these questions as ways to understand the broader context of a source and how it can or should be used in your research.

 

Currency: The timeliness of the information

  • When was the information created and/or published?
  • Does the date matter for your research?
  • Context: Older sources can contain outdated information. However, sometimes those sources are important for background information or because they are foundational studies on a topic. Additionally, sometimes your topic requires you to have historical perspectives on a topic, such as a historiography. Your research topic context is important when understanding the timeliness of a source.
  • Tip: Find this information in copyright dates (books), publication dates (articles, newspapers), posting dates (websites, social media), updated/revised dates (websites)

 

Relevance: How the information fits your needs.

  • Is this a good source for you and your topic of question?
  • Scope: Is it too broad or narrow to be helpful?
  • Audience: Who is the intended audience?
  • Tip: The goal of this step is to understand if a source is useful to your research before you read the entire source. If you are looking at a book, look at the table of contents, index, or a review before sitting down to read part or all the book. If you are looking at an article, look at the abstract, first paragraph, and final paragraph before reading the entire source.

 

Authority: The source of the information.

  • Who is the author? What are their credentials or affiliations?
  • What type of authority is the author? (scholarly expertise, societal position, special experience)
  • Are they qualified to write on this subject?
  • Tip: There are many ways to check the authority of a source: look up information on the journal, author’s blurb on magazines and websites, the ‘About the Author’ section in the back of a book, or the ‘About Us’ section of a website. However, it is often better to see what others say about a source. Here are two tricks on how to do that:
    • Just Add Wikipedia: search the main website URL, organization, or person’s name and add Wikipedia to an Internet search.
    • Web Searching: If the author, organization, or publisher does not have a Wikipedia entry, try performing an Internet search with the organization or person’s name with -site:www.organizationsdomain.com this will bring up websites mentioning the organization but will exclude the organization’s website from your search results.
  • Tip: Domain names provide contextual information on the source's creation, it does not the final guarantee that a source is credible or not. Educational sites (.edu) and government sites (.gov) can include peer-reviewed authoritative information as well as personal websites for officials and employees. Be very wary of organizational (.org) websites because anyone can purchase this domain and every organization should be investigated before using their information in your research.

 

Accuracy: The reliability and correctness of the information.

  • Is this fact or opinion?
  • Can other sources verify this information?
  • What is the author or publishers’ worldviews or biases (political, ideological, religious…)?
  • Are there references or other ways to verify the information?
  • Context: All authors have a bias. What is important is to understand what is your source’s bias? Discern if they are trying to hide their bias, and how that bias impacts your research.

 

Purpose: The reason the information exists.

  • What is the source’s agenda? What is the source trying to do? (inform, education, influence, entertain, sell…)
  • How is the source written (is the language calm or provocative)?
  • Are all sides of a topic or debate represented in the source (balanced)?
  • Context: All sources have an agenda. What is important is to understand what your source’s agenda is and how that impacts your research. Context is critical.

Video Tutorials

Different Types of Authority

A core concept in the evaluation of any source is that authority is constructed and contextual. But what does that mean? It means that we, as a society, decides what makes someone an authority (constructed) on a subject and that an expert in one subject is not an expert in all topics (contextual). Traditionally, we base an author’s credibility on if their writing is peer reviewed, their academic credentials (degrees and positions), or affiliations with large organizations or Universities. However, academic authority is just one of many different types of authority:

 

Watch this 2:34 video on why it is important to use a variety of sources in your research and to understand the different types of authority available to you as a researcher. 

Video Credit: “Variety of Sources” by USU Libraries licensed under CC BY-NC 4.0.

How to Evaluate Authority

“When we talk about the credibility of a source, we are also talking about the authority of the author, their knowledge of the subject, the influence their opinions have among their peers, and their potential bias. To determine if an author is a reliable source, think about these building blocks for constructing authority.” Indiana University's Foundation of Authority.

You need to evaluate the authority and accuracy of all your sources, including those traditionally accepted as experts within peer-reviewed journals. Watch this 4:08 video to learn about the complexities of understanding expertise and how to evaluate someone's authority on a subject.

 

Video Credit: “Understanding Expertise” by the University of Louisville Libraries licensed under CC BY-NC 4.0. For more information like this, check out their Research Assistance and Instruction guide on Citizen Literacy.

Peer Review Sources

Watch this 3:15 video to understand the peer reviewed process behind scholarly works, why it is such a credible process, and how long it takes to complete.

The CRAAP Test

The CRAAP Test is a method for evaluating sources, which has you evaluate a source by answering questions based on five categories. These categories are easy to remember with the CRAAP acronym:

  • C = Currency
  • R = Relevance
  • A = Authority
  • A = Accuracy
  • P = Purpose

 

Yellow lightbulb inside a blue circle.Tip: Context is everything. Do not look at these categories as immediate yes/no or good/bad evaluations of a source. Instead, look at these questions as ways to understand the broader context of a source and how it can or should be used in your research.

 

Watch this 2:16 video to learn how to use the CRAAP Method to evaluate sources.

Video Credit: "Evaluating Sources" by Western Libraries is licensed under CC BY-NC 4.0.

Evaluating Sources with the SIFT Method

Evaluating sources, whether academic or popular, is tricky. The SIFT Method was created by Mike Caulfied and is a tool that helps you determine if an online source is credible. Unlike the CRAAP Method, the SIFT Method was designed specifically for evaluating online sources of information. However, that doesn't mean it can't be used for academic sources, in your research use whichever method or tools fit your needs best. Don't waste your time on a source that isn't going to help you, do the CRAAP Method first.

Watch this 4:28 video to learn about how to evaluating sources with the SIFT Method.

Video Credit: "SIFT: Evaluating Web Content" courtesy of WSU Libraries