8 psychological tricks people use to manipulate opinion

Isabella Chase by Isabella Chase | March 20, 2025, 6:51 am

There’s a fine line between influencing and manipulating.

Manipulation, unlike influence, is about controlling people without them knowing it. It’s about pulling the strings from behind the scenes to sway opinion in your favor.

Psychology offers various tricks that can be used to manipulate, and while these tactics aren’t always commendable, it’s fascinating (and crucial) to understand how they work.

So let’s dive into eight psychological tricks often used by people to manipulate opinion. Be warned – you might be surprised at how often you’ve fallen for these tactics without realizing it.

1) The bandwagon effect

Manipulating opinion often involves capturing the human desire to belong.

Enter the bandwagon effect, a psychological trick that preys on our social nature.

The bandwagon effect is all about people’s tendency to adopt certain behaviors, beliefs, or attitudes simply because others are doing so. It’s why trends catch on and why social media influencers have such sway.

Just like social proof in sales, the bandwagon effect relies on individuals’ inclination to conform. When we’re uncertain or feel pressure to fit in, we’re more likely to jump on the bandwagon.

Manipulators exploit this phenomenon by creating a sense of popularity or majority opinion around their preferred outcome.

But beware – just because many people believe something doesn’t necessarily make it true.

2) Fear of missing out

Here’s one that I’ve personally experienced – the fear of missing out, or FOMO as it’s more commonly known.

This psychological trick plays on our innate fear of being left out or missing out on experiences. It’s a tactic often used in marketing and advertising, but can also be used to manipulate opinions.

I remember a time when a close friend was pushing me to attend a concert with them. I wasn’t really interested in the band, but they kept emphasizing how it was a once-in-a-lifetime opportunity and how everyone else was going.

The more they talked about it, the more I felt this nagging fear of missing out. I didn’t want to be the one who wasn’t part of the story. So, against my better judgment, I went.

Looking back, I can see how my opinion was manipulated through the fear of missing out. It’s a powerful tool, but it’s essential to recognize when it’s being used on you.

3) The framing effect

The framing effect is a psychological trick that manipulates how we perceive information based on how it’s presented.

Here’s how it works: people react to a particular choice in different ways depending on how it’s framed, i.e., as a loss or as a gain.

For example, if you’re told that a surgical procedure has a 90% success rate, you’re more likely to opt for it than if you were told it has a 10% failure rate. It’s the same statistic, just framed differently.

In the realm of public opinion, facts and figures are often framed in ways that evoke certain emotions or responses. Understanding this can help us navigate the sea of information and make more informed decisions.

4) Reciprocity

Reciprocity is another psychological trick often used to manipulate opinion. We’re hardwired to want to return favors, and people can exploit this tendency to sway our thoughts and actions.

Imagine someone helps you out in a big way, and then later they present an opinion or ask a favor. You’re more likely to agree with them or fulfill their request because you feel indebted to them.

However, it’s important to recognize this tactic when it’s used on you. While it’s natural to want to repay kindness, we should be careful not to let this instinct cloud our judgment or sway our opinions unfairly.

5) Emotional appeal

An emotional appeal is a powerful psychological trick that’s often used to manipulate opinion.

Tugging at the heartstrings isn’t just for movies or novels. It’s a tactic used everywhere from political speeches to charity appeals. By tapping into our emotions — be it joy, anger, fear, or compassion — manipulators can significantly influence our opinions and decisions.

This reminds me of a time when I watched a documentary about animal cruelty. The images and stories were heartbreaking, and they triggered a strong emotional response in me. I found my opinions on animal rights shifting dramatically after watching it.

While it’s essential to empathize and respond to emotional situations, we must also ensure we’re not being manipulated into forming opinions solely based on emotional appeals. It’s always crucial to supplement our feelings with facts and logic.

6) Confirmation bias

Confirmation bias is a psychological trick where people tend to favor information that confirms their existing beliefs or values. It’s often used to manipulate opinions by selectively presenting facts that align with the target’s preconceived notions.

I’ll confess, I’ve fallen into this trap myself. As a passionate environmentalist, I’ve sometimes been guilty of only reading and sharing articles that support my views on climate change. I’ve realized over time that this not only reinforces my biases but also limits my understanding of different perspectives.

It’s a good reminder to all of us to continually challenge our beliefs and seek out diverse viewpoints. It’s the only way to form balanced opinions and avoid being manipulated.

7) Authority bias

Authority bias is a powerful psychological trick that manipulators use to sway opinions. It’s based on our tendency to believe and follow people in positions of authority, whether it’s a celebrity, an expert, or a person in uniform.

This bias operates under the assumption that those in authority possess more accurate and valuable knowledge. Advertisers often use this trick by featuring experts or celebrities endorsing their products or ideas.

However, just because someone has authority doesn’t mean they’re always right. It’s essential to critically evaluate the information presented to us, regardless of who it comes from, to form our own unbiased opinions.

8) Scarcity principle

The scarcity principle is perhaps one of the most potent psychological tricks used to manipulate opinion. It’s based on the idea that things become more attractive when their availability is limited.

From “limited time offers” in marketing to creating a sense of urgency in decision-making, the scarcity principle can greatly sway our opinions and choices. The fear of losing out can cloud our judgment and coerce us into making hasty decisions.

The most crucial thing to remember here is not to let the pressure of scarcity rush you into forming an opinion or making a decision. Take your time, gather all the facts, and make a rational, well-informed choice. It’s your best defense against manipulation.

Final thoughts: The armor of awareness

The human mind is a complex and fascinating entity, susceptible to a multitude of psychological tactics. As we unravel the eight psychological tricks often used to manipulate opinions, what emerges is a profound understanding of our own vulnerabilities.

From the bandwagon effect to the scarcity principle, these tactics play on our inherent desires, fears, and biases. They can subtly shape our opinions, sometimes without us even realizing it.

Awareness is our most potent tool in the face of such manipulation. Knowing these tricks equips us with the ability to question, to reflect, and to discern when our opinions are being swayed.

As we navigate through the sea of information and perspectives that surround us every day, let’s remember to keep our minds open yet critical. Let’s aspire not just to form opinions but to understand them, not just to follow but to question. This awareness is our armor, protecting us from manipulation and leading us towards informed, unbiased thinking.