Field Experiment
Design, analyze, and write up randomized experiments (field experiments, A/B tests, RCTs), covering stratified and clustered designs, randomization inference, covariate adjustment done right, noncompliance, attrition and gated outcomes, treatment-effect heterogeneity, and interference. Produces advice with citations, R estimation and diagnostics code, and a drafted methods paragraph. TRIGGER on "A/B test", "randomized experiment", "RCT", "field experiment", "holdout", "lift test", "randomization inference", "stratified randomization", "cluster randomized", "geo experiment", "power analysis", "MDE", "encouragement design", "noncompliance", "ITT", "attrition", "Lee bounds", "CUPED", "variance reduction", "uplift", "heterogeneous treatment effects", "causal forest" (experimental heterogeneity; observational causal forests belong to causal-design), "interference", "spillover", "SUTVA". Pre-registration documents belong to the preregister skill; design triage across methods belongs to causal-design.
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From the source SKILL.md
An opinionated experimental workflow grounded in a read canon (references/canon.md, current as of 2026-07-28): the Athey-Imbens handbook chapter as the spine (randomization-based inference first), Freedman's logistic-regression critique and Lin's repair for covariate adjustment, Guo-Basse's generalization to nonlinear outcomes, and Lee's bounds for attrition and gated outcomes. The deliverable is the design or analysis decision with the citation that justifies it, the estimation and diagnostics code in R, and a methods paragraph with the limitation stated in first person at the point of the…
What this skill does
Field Experiment is a community-contributed Claude Code skill in the research-methods sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/field-experiment/ and loads when your prompt matches the skill's trigger.
Who uses this skill
The Field Experiment Claude Code skill is built for researchers, data scientists, academics, and analysts working with complex data and scientific literature. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 184,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).
How to install
Free
Manual install (2 steps)
mkdir -p ~/.claude/skills/field-experiment
curl -L https://claudskills.com/skills/field-experiment/SKILL.md \
-o ~/.claude/skills/field-experiment/SKILL.md
Or just download SKILL.md directly and drop it into ~/.claude/skills/field-experiment/. Claude Code auto-discovers it on next session.
Skills live at ~/.claude/skills/field-experiment/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\field-experiment\SKILL.md on Windows. See the full install guide for step-by-step instructions.
Telegram
📱 Install from your phone or desktop Telegram
Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →
Pro
One-click install via the desktop app
The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.
Pro
For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.
Frequently asked questions
How do I install the Field Experiment Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy
SKILL.md from the source repository to
~/.claude/skills/field-experiment/SKILL.md and restart Claude Code. Both flows are detailed at
claudskills.com/install/.
What does the Field Experiment skill do?
Design, analyze, and write up randomized experiments (field experiments, A/B tests, RCTs), covering stratified and clustered designs, randomization inference, covariate adjustment done right, noncompliance, attrition and gated outcomes, treatment-effect heterogeneity, and interference. Produces advice with citations, R estimation and diagnostics code, and a drafted methods paragraph. TRIGGER on "A/B test", "randomized experiment", "RCT", "field experiment", "holdout", "lift test", "randomization inference", "stratified randomization", "cluster randomized", "geo experiment", "power analysis", "MDE", "encouragement design", "noncompliance", "ITT", "attrition", "Lee bounds", "CUPED", "variance reduction", "uplift", "heterogeneous treatment effects", "causal forest" (experimental heterogeneity; observational causal forests belong to causal-design), "interference", "spillover", "SUTVA". Pre-registration documents belong to the preregister skill; design triage across methods belongs to causal-design.
Is this skill free to install?
Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.
When should I use the Field Experiment skill?
Use Field Experiment when your Claude Code task falls under the Science & Research category — specifically in the research methods area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Field Experiment" or describe the task and let Claude pick). Browse related skills at
/category/science/.
What is a Claude Code skill and how does the Field Experiment skill fit in?
A Claude Code skill is a
SKILL.md file that lives under
~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Field Experiment is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Science & Research category. Learn more at
/learn/what-is-a-claude-skill/.
Attribution & license
Cite this skill
If you reference this skill in a blog post, paper, or documentation, you can cite it as:
APA
ericluo04. (2026). Field Experiment [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/field-experiment/
BibTeX
@misc{field-experiment-2026,
author = {ericluo04},
title = {Field Experiment [Claude Code skill]},
year = {2026},
publisher = {ClaudSkills},
url = {https://claudskills.com/skills/field-experiment/}
}Embed this skill
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Security scan
Grade A · scanned 2026-08-13 — free static scan against the OWASP Agentic Skills Top 10.
No risk patterns were found in any of the ten OWASP-aligned categories. How grading works ›
- ✓ Prompt injection
- ✓ Data exfiltration
- ✓ Supply chain
- ✓ Reverse shell
- ✓ Credentials
- ✓ Execution
- ✓ Filesystem
- ✓ Persistence
- ✓ Obfuscation
- ✓ Network
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