Define
CTQ Tree Builder (CTQC)
Turn customer needs into clear, measurable requirements and operational definitions.
24 practical tools · Free beta
Map the work, investigate causes and sustain an improvement. Compare the tools here, read a public guide, then create an editable worksheet with a verified free beta account.
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Define
Turn customer needs into clear, measurable requirements and operational definitions.
Measure
Make your process visible. Start with a step list, then shape the details on a visual canvas.
Define
See the big picture: suppliers, inputs, process, outputs, and customers.
Define
Align your team around the problem, scope, goals, and measures of success.
Analyze
Move beyond symptoms. Follow the evidence to a testable root cause.
Improve
Turn improvements into clear actions with owners, due dates, and progress.
Control
Document who reviews performance, how often, and what response is required.
Control
Add one scenario for each trigger requiring a distinct response.
Control
Assess each criterion explicitly.
Control
Review ownership, training, standards, monitoring, data quality, escalation, auditing, leadership and follow-up.
Control
Track training completion separately from demonstrated competency.
Control
Define measurement, monitoring, ownership and reaction plans for sustaining process quality.
Control
Document repeatable work with quality points, safety checks, visual instructions and controlled revisions.
Analyze
Investigate causes with evidence, cause trees, validation and linked 5 Whys.
Analyze
Explore possible causes, organize the evidence, and verify what drives the problem.
Define
Define measurable goals and track dated actuals without confusing progress with verified results.
Measure
Find the categories that contribute most, with transparent totals and cumulative impact.
General
Bring the problem, evidence, countermeasures, and results together in one clear report.
Measure
Record repeated observations and compare processing, waiting, interruptions and rework with deterministic statistics.
Measure
Map current and future material/information flows with explicit timing assumptions and process cycle efficiency.
Analyze
Review failure modes, controls, configurable risk scoring and proposed actions.
Measure
Carry CTQC definitions into practical collection methods, sampling plans and ownership.
Control
Build chart-specific SPC analyses with frozen baselines and documented special-cause signals.
Analyze
Compare observed variation with explicit specifications and documented distribution assumptions.
Use Save to Computer and Open from Computer to retain your work. Your account manages access, not cloud worksheet storage. Browser recovery is temporary; use synthetic or approved non-sensitive information in this beta.
Read the getting-started guide