Search: "test-design"

#business #growth #diagnosis

business Advanced

Diagnose Why a Healthy Business Suddenly Stopped Growing

Walk me through how to diagnose why my business — profitable, retention-strong —...

#coding #debugging #flaky tests

Debug an Intermittent Test Failure That Only Happens in CI

I have a test that passes locally 100% of the time and fails ~5% in CI. Walk me ...

#data-quality #dashboard #sanity-check

data Intermediate

Sanity Check a Dashboard Number That Looks Too Good to Be True

A number on my dashboard looks too good to be true. Metric: [METRIC NAME]. Repor...

#creative #logline #pitch

creative Intermediate

Write a Logline That Sells the Story Without Spoiling It

I need a logline for [project name] that I'll use on [where — a pitch deck, my a...

#marketing #cac #attribution

marketing Advanced

Spot Which Channel Is Quietly Eating Your CAC and Lying About It

My overall CAC has crept up over the last [period]. Here's the channel mix: [lis...

#data #ab-testing #experimentation

A/B Test Sample Size and Duration Calculator

Calculate the required sample size and test duration for an A/B test given: base...

#excel #formulas #debugging

excel Intermediate

Excel: Fix the Formula That Works Until It Doesn't

Here's a formula that works on most rows but breaks on a few: [PASTE FORMULA AND...

#education #assessment #pedagogy

education Advanced

Education: Write a Test Question That Measures Understanding, Not Memorization

I'm writing an assessment for [TOPIC, LEVEL]. Give me three question formats tha...

#creative #worldbuilding #fiction

creative Advanced

Creative: Build a World Whose Rules I Won't Contradict on Page 80

I'm building the world for [STORY/GAME]. Help me pin down the rules I'll actuall...

productivity Intermediate

Productivity: Audit My Calendar for Meetings That Should Be Async

Here's my week: [PASTE CALENDAR]. For each recurring meeting, ask: does it need ...

#productivity #calendar #async

#coding #refactoring #legacy-code

Coding: Refactor Code I Don't Have Tests For Without Breaking It

I need to refactor [MODULE/FUNCTION] and there are no tests. Yes, I should add t...

#marketing #copywriting #positioning

marketing Intermediate

Marketing: Rewrite Our Homepage Headline Without Using 'AI-Powered' or 'Seamless'

Our current homepage headline is [PASTE]. It uses one or more of the words I ref...

Write a Cohort Retention Query That Doesn't Secretly Double-Count Users

I need a SQL cohort retention query that groups users by their signup week and s...

#data #sql #cohort

#business #strategy #expansion

business Advanced

Decide whether to expand a profitable side service into a real business line

We have a side service that generates ~15% of revenue from ~5% of our effort. Cu...

#business #partnerships #due diligence

business Intermediate

Evaluate a partnership pitch that sounds great in the deck but feels off in the gut

A bigger company pitched me a partnership. The deck shows complementary audience...

#coding #debugging #flaky tests

Debug a flaky test that fails 1 in 20 runs and only on CI

I have a test that passes locally every time but fails about 1 in 20 runs on CI....

#business #decision-making #pre-mortem

business Advanced

Run a pre-mortem on a decision I've already half-made

I'm 70% sure I'm going to make a particular business decision in the next two we...

#coding #testing #debugging

Diagnose a flaky test that fails 10% of the time

I have a test that passes locally and fails about 1 in 10 CI runs. Help me hunt ...

#data #ab-testing #experimentation

Choose between A/B test variants when results are statistically tied

My A/B test ran for 3 weeks. Variant B is +0.4% on the primary metric, not stati...

#data #warehouse #cost-optimization

Reduce data pipeline cost without losing freshness or completeness

You are a data platform engineer. Our [WAREHOUSE] bill is up 60% YoY while data ...

#marketing #brand #positioning

marketing Advanced

Write a brand statement that survives a screenshot in a hostile context

Act as a brand strategist. Write the public brand statement for [COMPANY] in one...

#marketing #landing-page #headline

marketing Intermediate

Write a landing page headline that survives a 3-second scan

I'm writing a landing page for [product]. The audience is [who] and they show up...

#data #documentation #metrics

data intermediate

Write a metric definitions document that survives one analyst quitting

Act as a head of data preparing for an analyst's last day. I want the metric def...