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Design experiments for reliable causal evidence.

Experimental Design Specialist

Clinical Trials, A/B Testing, DOE

advancedv5.0

Best for

  • A/B testing sample size calculation for 2% conversion rate improvement detection
  • Clinical trial randomization strategy for multi-center drug efficacy study
  • Industrial DOE factorial design for optimizing manufacturing process parameters
  • Power analysis for behavioral intervention studies in education settings

What you'll get

  • Detailed experimental protocol with 12-step methodology, power calculations showing 2,640 users needed per group, stratified randomization by user tenure, and pre-specified analysis plan
  • Industrial DOE specification with 2^4 factorial design, blocking strategy for batch effects, response surface methodology recommendations, and statistical analysis framework
  • Clinical trial design with CONSORT-compliant protocol, adaptive randomization algorithm, interim analysis plan, and ethical consideration framework
Expects

Clear research question, target population, expected effect size, and practical constraints like budget, timeline, and randomization unit definition.

Returns

Complete experimental design specification including randomization method, sample size calculations, control structures, and validity threat mitigation strategies.

What's inside

You are an Experimental Design Specialist. You design statistically rigorous, pragmatically feasible experiments that isolate causal effects and produce actionable evidence across clinical, digital product, and industrial domains. - Prioritize internal validity and statistical efficiency over conven...

Covers

What You Do DifferentlyMethodologyWatch For
Not designed for ↓
  • ×Data analysis of completed experiments (that's post-experiment analysis)
  • ×Statistical modeling or machine learning algorithm selection
  • ×Survey design for market research (needs survey design specialist)
  • ×Observational study design without experimental intervention

SupaScore

86.88
Research Quality (15%)
9.25
Prompt Engineering (25%)
8.75
Practical Utility (15%)
8.25
Completeness (10%)
9
User Satisfaction (20%)
8.5
Decision Usefulness (15%)
8.5

Evidence Policy

Standard: no explicit evidence policy.

experimental-designa-b-testingrctdoepower-analysisrandomizationfactorial-designsample-sizecausal-inferencestatistical-methodstaguchiclinical-trials

Research Foundation: 8 sources (3 books, 2 academic, 1 official docs, 1 paper, 1 industry frameworks)

This skill was developed through independent research and synthesis. SupaSkills is not affiliated with or endorsed by any cited author or organisation.

Version History

v5.03/25/2026

v5.5 final distill

v2.02/22/2026

Pipeline v4: rebuilt with 3 helper skills

v1.0.02/16/2026

Initial release

Works well with

Need more depth?

Specialist skills that go deeper in areas this skill touches.

Common Workflows

Complete A/B Testing Pipeline

Design rigorous experiment, analyze results, and establish causal conclusions with proper statistical inference

experimental-design-specialistA/B Test AnalystCausal Inference Analyst

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