How Emotions and Social Norms Drive Systematic Errors in Human Decisions

How Emotions and Social Norms Drive Systematic Errors in Human Decisions

Why We Make DUMB Decisions (Even When We Totally Know Better!) 😬

Emotions vs. Logic: My Brain’s Messy Love Story

Okay, real talk: have you ever made a choice so boneheaded you wanted to yeet yourself into the sun? Like, I once bought a $50 “miracle” face mask because an Instagram ad swore it’d make me look like a K-pop star. Spoiler: it didn’t. Or that time I stayed up until 3 a.m. binge-watching a trashy reality show instead of prepping for a work meeting. Why do we do this? We’re not idiots (well, most of the time), but our brains keep sabotaging us.

Turns out, our decisions aren’t always the sharp, logical masterpieces we imagine. They’re more like a chaotic smoothie of emotions, peer pressure, and whatever weird wiring we inherited from our cave-dwelling ancestors. In this post, I’m spilling the tea on why we make these goofy choices, how our feelings and the people around us mess with our heads, and how we can maybe—not always, but sometimes—outsmart ourselves.


Section 1: Why I Keep Screwing Up the Same Way

What’s With These “Systematic Errors”?
Picture me at a buffet, piling my plate with more tacos than a human should eat. I know I’m full, but I keep going. That’s not just me being a glutton—it’s a systematic error, aka the kind of dumb mistake my brain loves to repeat like a bad TikTok trend. These aren’t random oopsies; they’re like my cat knocking over the same plant every day—predictable and annoying.

Our brains take shortcuts, and sometimes those shortcuts are more like detours into Dumbville. These patterns show up in the same situations, over and over, because of how our noggins are built.

Why Should I Care?
These screw-ups aren’t just funny stories for brunch. They hit hard:

  • People lose their life savings chasing “hot” stocks because their cousin’s friend’s barber said it’s a sure thing.
  • Doctors miss obvious diagnoses because they’re too emotionally wrapped up in a patient’s story.
  • I stayed in a crummy relationship way too long because I didn’t want to be “that single friend.”

Figuring out what’s making us trip can help us make better calls and maybe stop the world from laughing at our bad decisions.


Section 2: Emotions Are My Brain’s Drunk Best Friend

Feelings Are Loud
Ever avoid something because it gave you the heebie-jeebies, even though you knew it was fine? Like, I’m terrified of roller coasters, so I’ll sit there eating overpriced park nachos while my friends scream their heads off. That’s my emotions running the show instead of the facts.

Feelings are like that friend who’s always yelling advice at you—sometimes they’re spot-on, but other times they’re just hyped up on Red Bull and leading you astray.

How My Emotions Trick Me
Here’s the lowdown on the emotional traps I keep falling into:

  • The “Feels Good, Must Be Right” Vibe: If something makes me happy, I assume it’s a genius idea. Like when I bought a neon-green ukulele because it “sparked joy.” I can’t play it. At all.
  • Loss Aversion: Losing stuff hurts way worse than winning feels good. That’s why I held onto a junky car for years—fixing it cost more than it was worth, but letting it go felt like admitting defeat.
  • Fear Makes Everything Scarier: One news story about a plane crash, and suddenly I’m googling “bus to Hawaii.” My brain blows rare risks way out of proportion.
  • Overconfidence: When I’m feeling myself, I think I’m basically a superhero. This is how I ended up trying to “fix” my laptop with a YouTube tutorial. RIP my hard drive.

Why Am I Like This?
Blame my caveman brain. Back when we were dodging woolly mammoths, our amygdala (the emotional part) was the MVP, making snap decisions to keep us alive. Now? It’s like a toddler throwing a tantrum, drowning out the chill, rational part of my brain (the prefrontal cortex). When I’m stressed, it’s like logic takes a vacation.


Section 3: Peer Pressure Isn’t Just for Teens

What Are Social Norms?
Social norms are those unspoken rules we all follow, like not wearing socks with sandals (unless you’re that guy) or pretending to laugh at your boss’s terrible jokes. They keep society from turning into a free-for-all, but they also make us do some seriously questionable stuff.

How the Crowd Screws Me Over
Here’s how I get suckered by what everyone else is doing:

  • Conformity Bias: I’ve totally nodded along in a group chat when I had no clue what was happening, just to avoid looking dumb. Studies show we’ll agree with the crowd even when they’re dead wrong (shoutout to the Asch experiments).
  • Groupthink: When everyone’s too chummy, we stop questioning bad ideas. This is why my old office once spent $5,000 on a “team-building” retreat that was just us doing trust falls in a sweaty gym.
  • Status Quo Bias: Change is scary, especially when it makes you the odd one out. So I stuck with a terrible phone plan for years because switching felt like too much hassle.
  • Pluralistic Ignorance: Ever clapped for a boring speech just because everyone else was? That’s me, pretending I’m into something I don’t even like because I think it’s what “normal” people do.

Why Do I Care So Much About Fitting In?
Back in the Stone Age, getting kicked out of your tribe was a death sentence. So my brain is obsessed with fitting in, even if it means going along with dumb ideas. It’s like I’m hardwired to care more about what Karen from accounting thinks than what’s actually true.


Section 4: Where My Bad Decisions Haunt Me

Here’s how this plays out in real life (and yes, I’ve lived some of these):

1. My Wallet Hates Me (Financial Markets)

  • Emotions: Fear and FOMO make me buy stocks at their peak and panic-sell when they crash.
  • Social Norms: I once invested in a sketchy crypto because my buddy swore it was “the future.” Now I’m the proud owner of $20 in digital nothing.

2. Doctor Drama (Medicine)

  • Emotions: A doctor’s big heart can make them miss a diagnosis because they’re too caught up in a patient’s story.
  • Social Norms: In hospitals, nobody wants to contradict the head honcho, so mistakes slip through.

3. Love Hurts (Relationships)

  • Emotions: Hope and fear of being alone kept me in a relationship that was about as fun as a root canal.
  • Social Norms: Society’s all like, “You gotta settle down!” so I stayed way longer than I should’ve.

4. Political Hot Mess (Politics and Policy)

  • Emotions: Outrage makes me pick fights online with people I’ve never met.
  • Social Norms: I’ve backed ideas I didn’t fully believe in just to stay loyal to “my team.”

Section 5: How to Stop Being My Own Worst Enemy

Step 1: Admit I’m a Hot Mess
The first step is owning that I’m not always the sharpest crayon in the box. By paying attention to how I think (aka metacognition, which sounds like a superhero power), I can catch myself before I make another dumb move.

Taming My Feels

  • Chill Out: When I’m freaking out, a deep breath or a quick meditation sesh helps me calm down. It’s like hitting the brakes on my emotional roller coaster.
  • Sleep on It: If I’m about to make a big decision, I wait a day. This saved me from buying a $200 “vintage” lamp that looked like it belonged in a haunted house.
  • Call It Out: Saying, “Yo, I’m freaking out right now” out loud helps me separate my feelings from what’s actually going on.

Dodging the Peer Pressure Trap

  • Speak My Truth: In groups, I try to be the one who says, “Uh, this plan kinda sucks.” It’s scary, but it can save everyone.
  • Think Solo: Before a big group chat, I write down my thoughts so I don’t just parrot what everyone else says.
  • Get a Fresh Take: I ask myself, “What would my no-nonsense grandma think of this?” It’s like borrowing a reality check.

Systems to Save My Bacon

  • Checklists Are Life: Pilots and surgeons swear by them, and I’ve started using them for big decisions. No more “winging it.”
  • Go Blind: Anonymous reviews or blind hiring cut out the social BS.
  • Mix Up the Crew: Surrounding myself with people who think differently keeps me from getting stuck in an echo chamber.

Wrapping It Up

Look, my emotions and need to fit in aren’t going anywhere—they’re part of the messy, beautiful chaos of being human. But when they start driving me into Dumb Decision Land, I need to take the wheel. By getting why my brain pulls these stunts, I can make better choices, avoid toxic relationships, and maybe not blow my savings on a “can’t-miss” investment (looking at you, glow-in-the-dark socks).

The goal isn’t to turn into a robot—it’s to lean into my human side while being a bit smarter about it. So next time I’m about to do something questionable, I’m gonna pause, check my vibes, and ask: Am I being me, or am I just following the herd?

Call to Action:
Had fun with this deep dive into our brain’s shenanigans? Subscribe for more no-BS takes on why we’re all a little ridiculous sometimes. Drop a comment—what’s the dumbest decision you’ve made lately? I promise I won’t judge (much). 😜




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