https://analysisparalysis.org/Essays by Tal Mizrachi on analytical thinking, experimentation, and the craft of data work. Ideas for data professionals, educators, and managers, from the creator of XP Lab.enhttps://analysisparalysis.org/the-6-dimensions-of-data-quality-completness/https://analysisparalysis.org/the-6-dimensions-of-data-quality-completness/Sun, 21 Jun 2026 11:18:35 GMTMissing data can look perfectly normal. How completeness failures distort analysis and the decisions that follow.https://analysisparalysis.org/practicing-data-analysis-is-broken-too-not-just-hiring/https://analysisparalysis.org/practicing-data-analysis-is-broken-too-not-just-hiring/Tue, 14 Apr 2026 04:00:34 GMTMost analyst practice trains execution on clean toy problems instead of judgment under ambiguity.https://analysisparalysis.org/ai-broke-your-hiring-signals-you-just-havent-noticed-yet/https://analysisparalysis.org/ai-broke-your-hiring-signals-you-just-havent-noticed-yet/Mon, 13 Apr 2026 19:41:50 GMTLLMs made polished take-homes and portfolios easier to fake, which breaks many old hiring signals.https://analysisparalysis.org/why-hiring-data-analysts-is-still-broken-and-we-pretend-its-not/https://analysisparalysis.org/why-hiring-data-analysts-is-still-broken-and-we-pretend-its-not/Sat, 11 Apr 2026 20:02:07 GMTMany analyst hiring processes still reward presentation polish and credential proxies over analytical judgment.https://analysisparalysis.org/start-by-not-touching-the-data/https://analysisparalysis.org/start-by-not-touching-the-data/Thu, 05 Feb 2026 18:59:28 GMTGood analysis often starts by clarifying the question and the business context before touching the dataset.https://analysisparalysis.org/stop-hiring-the-resume-the-proxy-metric-trap-in-recruiting/https://analysisparalysis.org/stop-hiring-the-resume-the-proxy-metric-trap-in-recruiting/Thu, 11 Dec 2025 20:49:22 GMTThe resume is a noisy proxy for competence, and teams confuse that proxy with evidence of actual analytical ability.https://analysisparalysis.org/what-can-we-learn-from-em-dashes/https://analysisparalysis.org/what-can-we-learn-from-em-dashes/Thu, 16 Oct 2025 09:43:57 GMTMy wife always makes fun of me for mispronouncing words. Sometimes it’s an English word with the stress in the wrong place, sometimes it’s a Hebrew word where I arbitrarily decide where the wandering segol should go. I claim it’s part of…https://analysisparalysis.org/well-defined-processes-and-deserts/https://analysisparalysis.org/well-defined-processes-and-deserts/Tue, 14 Mar 2023 01:25:18 GMTA process can be tightly defined and still be strategically wrong, especially when teams confuse structure with usefulness.https://analysisparalysis.org/how-chatgpt-will-change-home-assignments/https://analysisparalysis.org/how-chatgpt-will-change-home-assignments/Mon, 02 Jan 2023 04:47:27 GMTAt this time, I’m thinking about breaking away from my usual customs, from my profession, or even from my generic pretense. I would like to speak about what is happening as if I were Nostradamus and let’s start from the end, or from the…https://analysisparalysis.org/data-analyst-first-job-interviews/https://analysisparalysis.org/data-analyst-first-job-interviews/Fri, 02 Dec 2022 19:49:00 GMTI would like to start by saying that sometimes, there is no choice, and that is a very significant foreword.https://analysisparalysis.org/statistics-and-analysts/https://analysisparalysis.org/statistics-and-analysts/Sat, 05 Nov 2022 16:52:09 GMTStatistics matters for analysts, but mostly as a way to reason better rather than as a badge of mathematical purity.https://analysisparalysis.org/dashboards-are-the-problem-not-the-solution/https://analysisparalysis.org/dashboards-are-the-problem-not-the-solution/Fri, 04 Nov 2022 04:35:34 GMTDashboards often manufacture the feeling of clarity before a team has done the harder work of defining what matters.https://analysisparalysis.org/navigating-imposter-syndrome-in-data-careers-analysis-paralysis/https://analysisparalysis.org/navigating-imposter-syndrome-in-data-careers-analysis-paralysis/Sat, 29 Oct 2022 14:24:32 GMTSo look, this post is going to be a bit of a downer, but I hope we can end it on a somewhat optimistic note.https://analysisparalysis.org/inigo-montoya-method/https://analysisparalysis.org/inigo-montoya-method/Sat, 29 Oct 2022 04:20:01 GMTI sometimes have the good fortune of receiving messages with more specific questions from people I don’t know.https://analysisparalysis.org/intransitivity-of-ab-tests/https://analysisparalysis.org/intransitivity-of-ab-tests/Fri, 28 Oct 2022 16:43:13 GMTWinning comparisons in a sequence of A/B tests do not guarantee a clean global ranking of variants.https://analysisparalysis.org/the-greediness-of-ab-tests/https://analysisparalysis.org/the-greediness-of-ab-tests/Fri, 28 Oct 2022 15:24:30 GMTA/B testing can optimize for local wins while quietly pushing teams away from broader learning.https://analysisparalysis.org/temporal-limitations-of-ab-testing/https://analysisparalysis.org/temporal-limitations-of-ab-testing/Fri, 28 Oct 2022 09:11:37 GMTA/B test results are bounded by time, context, and population, even when the output looks statistically neat.https://analysisparalysis.org/what-are-the-characteristics-of-good-business-analysis-6/https://analysisparalysis.org/what-are-the-characteristics-of-good-business-analysis-6/Sun, 21 Aug 2022 04:34:13 GMTGood business analysis is repeatable, grounded in business rationale, and explicit about what action it makes possible.