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Methodology Compass"Agile or Waterfall — what fits your project?"1The four mindsets2Reading the trade-offs3When scope is fixed4When scope keeps shifting5Find your fitLesson 5 · Interactive — tune the inputsMethodology CompassRegulated Banking PlatformA global bank is building a core payments platform with 50 engineers. Regulatory requirements are fully documented in a 200-page compliance specification. The go-live date is legally mandated for Q2 — missing it incurs heavy fines. Scope changes require board approval and could trigger costly re-audits. Executive stakeholders meet quarterly.Why Agile leadsTeam Size: 50/100 — moderate negative impactDeadline Rigidity: 50/100 — moderate negative impactRequirement Uncertainty: 50/100 — moderate positive impactStakeholder Involvement: 50/100 — moderate positive impactScope Flexibility: 50/100 — moderate positive impactTeam Size: 70/100 — strong positive impactDeadline Rigidity: 50/100 — moderate positive impactRequirement Uncertainty: 50/100 — moderate positive impactStakeholder Involvement: 50/100 — moderate positive impactScope Flexibility: 50/100 — moderate positive impactTeam Size: 70/100 — strong positive impactDeadline Rigidity: 50/100 — moderate positive impactRequirement Uncertainty: 20/100 — strong positive impactStakeholder Involvement: 50/100 — moderate positive impactScope Flexibility: 50/100 — moderate positive impactTeam Size5070SmalllargeRequirement Uncertainty5020Fully KnownHighly UncertainScope Flexibility50RigidFlexibleDeadline Rigidity50FlexibleFixedStakeholder Involvement50RarelyContinuouslyLeanWaterfallHybridAgile50%50%50%50%47%54%54%47%42%62%47%39%Submit

“Agile or Waterfall — what fits your project?”

Methodology Compass

Regulated Banking Platform

50 engineers, a 200-page spec, a legally-mandated Q2 deadline, and board-approved scope changes.

Requirement Uncertainty

5020

Fully KnownHighly Uncertain

Scope Flexibility 50

RigidFlexible

Deadline Rigidity 50

FlexibleFixed

Stakeholder Involvement 50

RarelyContinuously

AgileWaterfallHybridLean50%50%50%50%47%54%54%47%39%62%47%42%

Why Agile leads

Scope Flexibility and Requirement Uncertainty both push moderately toward an Agile fit.

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Why Fenzo works

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Active learning > passive learning.

59%73%PassiveActive

Average pass rate · Freeman et al., PNAS 2014

What the science says

Students who get hands-on are 1.5× more likely to pass their class.

How Fenzo does it

Every Fenzo lesson is interactive. No passive reading or watching, ever.

AI atrophy is real.

You work through itAI does it for you

what stayswith youRight after learningWeeks later

Skill retention over time · with vs. without practice

What the science says

Offloading thinking to AI erodes the very skills you're trying to build.

How Fenzo does it

Fenzo makes you do the thinking — guided, but never done for you.

Answers ≠ understanding.

Retrieval practiceRe-reading

5 min2 days1 week

Long-term recall · retrieval vs. re-reading

What the science says

Recalling information beats re-reading it for building durable understanding.

How Fenzo does it

Lessons weave in quizzes and recall prompts, so it sticks.

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