ChatGPT Master Quiz
Ten questions spanning everything ChatGPT — prompting, models, coding, writing, research, custom GPTs, and the mistakes that cap most people's results. Take it as a diagnostic: whatever you miss tells you which topic to read next. No sign-up, instant score, and you can share how you did.
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Q1 What three parts make a prompt that beats a one-liner?Why
Context gives ChatGPT the situation it can't infer, the goal names what you want, and format decides the shape. Leave out format and you get an essay when you wanted a list.
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Q2 When is a reasoning model the wrong tool?Why
Reasoning models earn their latency where a wrong intermediate step poisons the result. A style edit has no such chain, so you pay the wait for the same answer.
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Q3 Project-specific rules belong in…Why
Global preferences go in custom instructions, project rules and files in a Project, durable learned facts in Memory. One project's details in the global box skews every unrelated chat.
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Q4 Before asking for code, what should you state?Why
Omit versions and you get syntax your toolchain rejects; omit your libraries and it reinvents what you already use. 'Production-ready' is an adjective, not information.
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Q5 You've hit a bug. What do you give ChatGPT?Why
Retyping an error from memory drops the part that mattered. Without expected-vs-actual, the model can't even tell what 'wrong' means.
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Q6 The code interpreter gives you a clean chart. What else should you always ask for?Why
A clean chart hides how the numbers were derived — including silently dropped or coerced rows. Seeing the code is the only way to catch that.
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Q7 How do you get ChatGPT to write in your voice?Why
Adjectives get interpreted; samples get pattern-matched. One sample is too little to reveal a consistent pattern.
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Q8 How should a custom GPT's instructions read?Why
A one-line persona leaves every real decision unspecified, so the GPT drifts. Describing the role but never the process is the more common near-miss.
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Q9 Why do keyword queries waste ChatGPT?Why
Keyword queries throw away exactly what makes ChatGPT different from a search engine. With no context it can't tailor anything.
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Q10 You keep typing the same correction — 'shorter', 'British spelling'. What's the fix?Why
Any correction you repeat is a rule you haven't written down. Fix it once — but don't pile in so many rules that answers turn stilted and over-hedged.