Designs, audits, analyses, and learns from controlled experiments for digital products and services, including A/B/n and split tests, feature experiments, holdouts, switchbacks, ramps, and quasi-experiments. Invoke for assignment and exposure, sample-ratio mismatch (SRM), metrics and guardrails, minimum detectable effect, power or precision, peeking or sequential inference, interference, novelty, seasonality, heterogeneity, accessibility, harms, rollout, rollback, and long-term product outcom...
Scanned 9/11/2026
Install to Claude Code
Skills Directorynpx -y skills add oaknational/oak-open-curriculum-ecosystem --skill oak-parallax-product-experiment --agent claude-codeInstalls into .claude/skills of the current project.
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---
name: oak-parallax-product-experiment
description: Designs, audits, analyses, and learns from controlled experiments for digital products and services, including A/B/n and split tests, feature experiments, holdouts, switchbacks, ramps, and quasi-experiments. Invoke for assignment and exposure, sample-ratio mismatch (SRM), metrics and guardrails, minimum detectable effect, power or precision, peeking or sequential inference, interference, novelty, seasonality, heterogeneity, accessibility, harms, rollout, rollback, and long-term product outcomes. Also invoke before shipping from an experiment result. Do not invoke for ordinary feature delivery, usability research without a causal intervention, descriptive analytics, or offline model evaluation without an assignment/exposure question. Compose with parallax-design-experiment for novel, high-stakes, cluster, adaptive, or statistically complex designs.
---
# Parallax Product Experiment (Cross-tool)
Read and follow `.agent/skills/cognition/parallax-product-experiment/SKILL-CANONICAL.md`.
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