PEBKAC
Version 1.0.0 · Updated 2026-07-30
CORE DEFINITION
“Problem Exists Between Keyboard And Chair.” It refers to the fact that the root cause of technical failures is often not hardware or software, but the foolish user.
SCAFFOLDING EFFECT
Reduce cognitive load
Human factors engineering perspective. Although it is sarcastic, as a scaffold, it reminds designers: since users will inevitably make mistakes (PEBKAC is the norm), the system must be designed robustly enough to tolerate and guide “foolish” operations, rather than blaming the user.
Anchor fast decisions
The real root cause of many "system failures" is user operation (between keyboard and chair), not the system itself. Instead of blaming the user, treat it as a design signal: users will inevitably make mistakes, and the system must be robust, fault-tolerant, and guiding enough to absorb "human error."
MINIMUM ACTION
In progress 0/4Practice this model in one real situation:
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Source support: Explicit
- en.wikipedia.orghttps://en.wikipedia.org/wiki/User_errorverified
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