Musings
Build notes, field stories, and technical walkthroughs from 20 years in market research. Each post covers a tool I built and the real-world problem behind it.
Population-Level Incidence Rates vs. Panel-Level Guesses
Why existing incidence rate tools fail market researchers, and how I built a free calculator using Census ACS data across 200+ MSAs with 15 demographic dimensions.
Healthcare Feasibility Is a Different Animal
Free healthcare feasibility calculator for HCP and patient research. Covers specialty physician counts, rare disease prevalence, and the dramatically higher CPIs of medical studies.
B2B Sample Is Where Proposals Go to Die
Free B2B feasibility calculator for business audience sizing. Uses NAICS codes, company size, revenue tiers, and real panel penetration rates to estimate reachable B2B respondents.
Sample Size Math Falls Apart at the Subgroup Level
Free sample size calculator with quota subgroup analysis and finite population correction. Goes beyond basic formulas to plan statistically reliable research at the subgroup level.
Your Quotas Are Probably Impossible. Here's How to Check.
Free quota feasibility planner that checks demographic and behavioral quota targets against Census population distributions before you launch your study.
Audience Overlap: The Hidden Cost Nobody Calculates
Free audience overlap mapping tool with interactive Venn diagrams. Visualize how multiple target segments intersect and what that means for your sample budget.
Index Scoring: The Fastest Way to Understand an Audience
Free demographic profiling tool with 18-dimension index scoring against U.S. Census benchmarks. Know where your audience over- and under-indexes before you field.
Stop Guessing on Survey Budgets
Free survey cost estimator with vendor-neutral CPI benchmarks. Build defensible project budgets for consumer, B2B, and healthcare research without waiting for vendor bids.
AI-Powered LOI Estimation: Getting Survey Length Right
Free AI-powered survey LOI estimator. Paste your questions, get question-type classification and accurate length-of-interview estimates powered by Claude AI.
Your Screener Is Costing More Than You Think
Free screener funnel simulator with waterfall visualization. Model the invite-to-complete journey and calculate your true effective incidence rate before launching.
Modeling the Full Sample Pipeline, Not Just the Screener
Free natural fallout simulator mapping the complete sample pipeline from invitation to completion. Identifies your biggest operational bottleneck before it stalls your project.
Margin of Error: The Number Clients Always Ask About
Free margin of error calculator with visual confidence interval bands and reference tables. Help clients understand what their survey data can and can't claim.
The Column Significance Test Nobody Wants to Do by Hand
Free cross-tab significance tester with z-tests, p-values, effect sizes, and power analysis. Run multi-group statistical comparisons without touching SPSS.
RIM Weighting Without the Pain
Free RIM weighting calculator using iterative proportional fitting. Get design effect, effective sample size, and weight distribution for your survey data.
Predicting When Your Survey Will Actually Finish
Free field time estimator using response rate decay modeling. Forecast daily completions and catch studies trending behind schedule before they become emergencies.
Curve Fitting for Survey Response Rates
Free response rate decay modeler with exponential curve fitting, half-life calculation, and shortfall detection. Know when to intervene before your study stalls.
AI Questionnaire Review at Machine Speed
Free AI-powered survey bias detector. Paste your questions, get instant analysis for leading questions, double-barreled items, loaded language, and unbalanced scales.
Automated Data Quality Checks Without Uploading Your Data Anywhere
Free data quality scorecard for survey CSV files. Detects speeders, straightliners, and duplicates. All processing runs locally in your browser. Your data never leaves your machine.
Field Signal: Turning Reddit Into a Competitive Intelligence Feed
Field Signal is a full-stack competitive intelligence platform that monitors outdoor industry subreddits, uses AI to cluster complaints, and detects brand-switching signals in real time.