What Is an Example of an Interface Error? One Tiny Mistake, Big Consequences
Defining Interface Error: Not Just a Techy Buzzword
Okay, so let’s clear this up. An interface error doesn’t mean your screen is broken or your app crashed randomly. It's when the communication between user and system fails, not because of hardware, but because of design, assumptions, or miscommunication between software modules, devices—or even humans and computers.
Basically, it's when something "works"—but not how people expect it to.
Classic Example: The Wrong “OK” Button
The ATM double confirmation fail
One infamous real-life example? A classic ATM confirmation error. You go to withdraw money, and the screen says:
“Do you want to cancel this transaction?”
And then the buttons underneath say:
Yes
Cancel
Wait. What? Which one’s the actual cancel?
You hesitate. Maybe even click the wrong one. Bam—transaction canceled, or worse, money deducted.
This is a user interface error: unclear wording, bad button labeling, and design that confuses instead of clarifying. It seems small, but in practice? Super frustrating. And totally avoidable.
Types of Interface Errors
Human-Computer Interface (HCI) Errors
These happen when a system miscommunicates with its user.
Poorly labeled icons
Ambiguous messages (“Error 500” with no explanation, anyone?)
Hidden or inconsistent navigation
It’s like when you’re trying to set a password and the error message says “Invalid” but doesn’t tell you why. Grrr.
Software Interface Errors (APIs & Systems)
This one’s more for devs. Let's say two modules communicate via an API, and Module A expects a date in format YYYY-MM-DD, but Module B sends MM/DD/YYYY.
Boom—system breaks. No crash, maybe, but wrong data, subtle bugs. Real pain to debug.
I’ve personally worked on a ticket where the backend was sending a float with comma separators, and the frontend JS parser totally misread it. Days of silent wrong calculations. All because of an interface mismatch.
How Interface Errors Impact Real Life
Medical software mistakes (yeah, scary stuff)
In hospitals, interface errors have been linked to medication overdoses due to confusing dropdowns or decimal inputs being misread (e.g., 5.0 vs 50). That’s not just bad UX—it’s dangerous.
Airplane cockpits
Pilots have made errors because of poorly labeled control panels or warning lights that didn't signal urgency. When milliseconds count, bad interface = bad outcome.
How to Prevent Interface Errors
1. Clear labeling and feedback
If a button deletes something, say it. Don’t just say "OK." Say “Delete permanently?” with a red icon.
2. Follow design standards
People are trained by habit. Don’t reinvent the wheel. Users expect the close button top-right, not hidden in a menu.
3. Testing with real users
This one's huge. Devs and designers aren't normal users. Sit someone down, let them click around. You’ll see quickly what breaks mentally, not just technically.
I once worked on a form where “Submit” was below the fold. Literally no one scrolled. We thought the page was fine—users thought it was broken. Oops.
Final Thoughts: It’s the Little Things That Break Big Stuff
So yeah, an interface error may sound nerdy and minor. But it’s often the difference between a smooth experience and a total facepalm.
Whether you're designing for the web, a mobile app, or a life-critical machine, remember:
It’s not enough for it to work. It has to make sense.
Because when the interface fails... everything else kinda crumbles with it.
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The predicted height for a female, based on your parents heights, is 155 to 165cm. Most 15 year old girls are nearly done growing. I was too. It's a very normal height for a girl.
Is 160 cm too tall for a 12 year old?
How Tall Should a 12 Year Old Be? We can only speak to national average heights here in North America, whereby, a 12 year old girl would be between 137 cm to 162 cm tall (4-1/2 to 5-1/3 feet). A 12 year old boy should be between 137 cm to 160 cm tall (4-1/2 to 5-1/4 feet).
How tall is a average 15 year old?
Average Height to Weight for Teenage Boys - 13 to 20 Years
| Male Teens: 13 - 20 Years) | ||
|---|---|---|
| 14 Years | 112.0 lb. (50.8 kg) | 64.5" (163.8 cm) |
| 15 Years | 123.5 lb. (56.02 kg) | 67.0" (170.1 cm) |
| 16 Years | 134.0 lb. (60.78 kg) | 68.3" (173.4 cm) |
| 17 Years | 142.0 lb. (64.41 kg) | 69.0" (175.2 cm) |
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