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The Debunking Handbook 2020: Debunk often and properly

Posted on 26 October 2020 by John Cook, BaerbelW

This blog post is part 4 of a series of excerpts from The Debunking Handbook 2020 which can be downloaded here. The list of references is available here.

Debunk often and properly

dbh-oftenIf you cannot preempt, you must debunk. For debunking to be effective, it is important to provide detailed refutations 2, 3. Provide a clear explanation of (1) why it is now clear that the information is false, and (2) what is true instead. When those detailed refutations are provided, misinformation can be “unstuck.” Without detailed refutations, the misinformation may continue to stick around despite correction attempts.

Simple corrections on their own are unlikely to fully unstick misinformation. Tagging something as questionable or from an untrustworthy source is not enough in the face of repeated exposures.

Debunking is more likely to be successful if you apply the following 3 or 4 components:

FactMythFallacy

FACT: State the truth first

If it’s easy to do in a few clear words, state what is true first. This allows you to frame the message—you lead with your talking points, not someone else’s.

The best corrections are as prominent (in the headlines, not buried in questions) as the misinformation.

Do not rely on a simple retraction (“this claim is not true”).

Providing a factual alternative, that is an alternative that fills a causal “gap” in explaining what happened if the misinformation is corrected, is an effective method of debunking. Having a causal alternative facilitates “switching out” the inaccurate information in an individual’s initial understanding and replaces it with a new version of what happened.

The alternative should not be more complex and should have the same explanatory relevance as the original misinformation 1, 80, 81.

There may, however, be circumstances in which the facts are so nuanced that they escape pithy summary. In those cases, it may be better to lead with an explanation of why the myth is false before explaining the facts.

MYTH: Point to misinformation

Repeat the misinformation, only once, directly prior to the correction. One repetition of the myth is beneficial to belief updating 27, 71, 82, 83.

But needless repetitions of the misinformation should be avoided: Although backfire effects are uncommon, we know that repetition makes information appear true 84, 85, 86.

Corrections are most successful if people are suspicious, or made to be suspicious, of the source or intent of the misinformation 87.

FALLACY: Explain why misinformation is wrong

Juxtapose the correction with the mistaken information. Ensure the rebuttal is clearly and saliently paired with the misinformation. It should be virtually impossible for the individual to ignore, overlook, or not notice the corrective element, even when skimming 27, 88, 89.

Rather than only stating that the misinformation is false, it is beneficial to provide details as to why. Explain (1) why the mistaken information was thought to be correct in the first place and (2) why it is now clear it is wrong and (3) why the alternative is correct 81, 90, 91. It is important for people to see the inconsistency in order to resolve it 71, 83.

Such detailed corrections promote sustained belief change over time and protect against belief regression (i.e., a return to pre-correction beliefs 2, 52, 92.

If possible, explain why the misinformation is wrong not only by providing a factual alternative but by pointing out logical or argumentative fallacies underlying the misinformation. A practical advantage of uncovering fallacies 66 is that they are not domain specific, and people can therefore benefit from the debunking in other content domains as well. Once you know that climate misinformation relies on cherrypicking 79 or incoherence 93, you may detect similar bad argumentation among anti-vaccination activists.

FACT: State the truth again

Restate the fact again, so the fact is the last thing people process.

Even with detailed refutations, the effects will wear off over time 3, 52, so be prepared to debunk repeatedly!

General guidelines

Avoid scientific jargon or complex, technical language 94.

Well-designed graphs, videos, photos, and other semantic aids can be helpful to convey corrections involving complex or statistical information clearly and concisely 95, 96, 97.

The truth is often more complicated than some viral false claim. You must invest effort in translating complicated ideas so they are readily accessible to the target audience—so they can be easily read, easily imagined, and easily recalled 98, 99, 100.

Collective action: Debunking on social media

Accuracy nudges (e.g., “most people want to receive accurate information”) and reminders increase the quality of people’s sharing decisions on social media 39.

Mobilize social media users to respond quickly to misinformation by sharing facts. A platform’s efforts may not be sufficient in scope or scalable to misinformation; user correction can work if people feel emboldened to engage in it 101, 102.

“Focus on interpersonal effects in online communication:‘see something, say something’ ” 102.

Individuals have the ability to make a difference online: Corrections from users, experts, and algorithms (e.g., recommending related articles that contain a correction) can all be effective in reducing community misperceptions when responding to misinformation 103, 104, 105.

Seeing someone else on social media being corrected (known as observational corrections) can lead to more accurate attitudes on various topics 61.

Conversely, not speaking out can lead to a “spiral of silence”, both for the person being corrected and for the observer, where a mute majority cedes a narrative to a vocal but misinformed minority 106, 107, 108.

Example of a Refutation

ExampleRefutation

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Comments

Comments 1 to 2:

  1. People say what is profitable/gainful, NOT they realy think. USA produce more CO2 than whole Africa + S America + ...much more, if we look on goods which USA consume. Latin America + half Africa + others is a USA colonies, so MUST produce huge CO2, they must supply USA with many things.
    For example: Brasil paid > 1 trillion to USA in last 20 years, and debt is higher and higher - colony.

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  2. Comments policy link DID NOT WORK!!   I had to copy and paste.

    Look up truth in, say wikipedia, and you will find little more than a large circle of words.  

    I would suggest that you use some form of

    1. A statement about X must be able to be falsified, preferably by some form of observation or measurement.  If it can not be falsified then it can be provisionally considered to be true.   Like Newtons theory of gravity.

    2. The statement must be measurable or refer to historical records of observations and measurements, or must make predictions accompanied by some reasonable time in which said prediction will be confirmed by observation

    For example a statement about drought can be supported by records of published food prices.

     

    Much better than this circular stuff from wikipedia:   Thus, 'truth' involves both the quality of "faithfulness, fidelity, loyalty, sincerity, veracity",[7] and that of "agreement with fact or reality",

    One has false statements, true statements, statements that are neither, and very often in discussions, statement that "are not even wrong!

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