How to Protect Yourself From Being Manipulated by Data
Data literacy is a crucial skill for mental selfdefense.
KEY POINTS
Data sometimes gets fetishized as some sort of magical talisman.
Adding numbers and statistics to an argument doesn’t necessarily make it a good argument.
Key principles can help you develop data literacy, such as being aware of confirmation bias.
In ancient Egypt, it was widely believed that scarabs, amulets designed in the shape of a beetle, had supernatural properties and granted good fortune to the wearer. In medieval Europe, horseshoes were also believed to have special powers and people hung them above doorways to attract good luck and to repel evil spirits. I could go on with more examples, but I think you can already see the pattern: throughout history people have attributed magical powers to ordinary objects. When we talk about these beliefs now, people sometimes chuc
kle or poke fun at how gullible people living in ancient times were. The irony is that this tendency hasn’t really gone away even if it gets expressed in a different form. And there’s one specific form that I’ll be focusing on today: data.
In today’s world there’s a certain fetishization of data where it’s perceived as having an infallible, largerthanlife stature, much like the fetishized objects of yore (the original meaning of “fetish” was a “material object regarded with awe as having mysterious powers”). If you make a claim and you have some data to back it up, why, then it must be true. But how is this similar to an object having magical powers? Isn’t data scientific and objective? It certainly can be, but it all depends on how the data is selected, collected, presented, and interpreted, and it’s rare that all of those things are done with equal objectivity. Unfortunately, just as with the snake oil purveyors of the ancient world, there are those who misuse data to manipulate others. Fortunately, you can protect yourself in the same way, through critical thinking or rather a very specific form of critical thinking that we can call data literacy.
Data Can Be Objective but People Often Aren’t
Let’s be clear about something. As an academic, I value data greatly. This is in no way one of those “scienceisfake” type sentiments you sometimes see on social media. To be clear, it’s not that science is fake or pletely subjective. It’s that data, which is a product of science, can be weaponized and misused to manipulate you to think or behave in a certain way.
In addition to being an academic, I’m also a former trial lawyer. In law we have a legal equivalent to data; it’s called “evidence.” But here’s the thing about evidence: although two opposing sides are operating under the same laws and procedures, how each side presents their selected evidence invariably leads to opposite conclusions. Data (or “evidence”) outside the courtroom can work the same way. It can be (mis)construed to support different conclusions based on how one selects and presents it. A mon example of this is shrinking or blowing up a graph to make an increase or decrease look more significant than it actually is.
So, the point I’m making is that data is indeed very important, so important that you need data literacy to avoid being manipulated by it.
The Principles of Data Literacy
How, then, do you cultivate data literacy? As with most topics on this blog, there’s no easy universal formula. But here are some principles you may wish to adopt.
sort out the facts1. Develop a general foundation of critical thinking
Data literacy is a subset of critical thinking, and so the first step is to bee a better critical thinker in general. (Fortunately, I have no less than three posts on this blog that cover various dimensions of critical thinking, including why it boosts your ability to influence, mon pitfalls for critical thinkers, and using critical thinking to understand the narratives that drive people.)
2. Ask yourself who stands to benefit and how?
This one is fairly easy to do, with a mon and relatable example being when someone is literally trying to sell you something and directs a mass of data your way to support their case. Clearly, they stand to benefit from your buying whatever they’re selling. Now, it doesn
’t necessarily mean that they’re deliberately misrepresenting the data in an effort to manipulate you. But they do have a clear stake in your being persuaded so it pays (often literally) to be on guard.
3. If it’s specialized knowledge, who can you ask about it?
There are situations where someone could be presenting an argument with data that allegedly supports it, but you’re not an expert or highly informed on the topic so you’re not sure what to make of it (or at least that’s how you should feel if you’re not informed about something). You can always ask someone who is informed on the topic what they think, just don’t forget to maintain your critical thinking perspective. You are not obliged to reflexively accept the views of someone who may know more about a particular topic than you do. This is one reason, for example, why people often bring an experienced car buyer with them when they go to a car dealership.

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