The Quality Connection A High Quality Requirements Model steve@qualityconn.com.

The Quality Connection

A High Quality Requirements Model

www.qualityconn.comsteve@qualityconn.com

www.qualityconn.comwww.qualityconn.com The Quality ConnectionThe Quality Connection22

Foundation, Scope, Objectives

Contents

Course Foundation, Scope, Objectives11

What We Know about Requirements22

Requirements Definition and Verification33

The 6 Step Requirements Process44

55 Workshops

Contents

55 Workshops

Course Foundation, ResearchCourse Foundation, Research

Foundation, Scope, Objectives 1-10

Contents

55 Workshops

Definition and Definition and Action PlanAction Plan

Terms and Terms and DefinitionsDefinitions

Terms and Terms and DefinitionsDefinitions Principles of Principles of

Reqt RecognitionReqt Recognition

Principles of Principles of

What We Know What We Know

about Reqtsabout Reqts

Causes ofCauses of

Invalid ReqtsInvalid Reqts

Causes ofCauses of

ElementsElements

Current State of the ArtCurrent State of the Art

What We Know About Reqts 2-1

Terms and DefinitionsTerms and DefinitionsWhat We Know About Reqts 2-2

Terms and DefinitionsTerms and DefinitionsWhat We Know About Reqts 2-3

Causes ofCauses of

ElementsElements

Principles of Reqt RecognitionPrinciples of Reqt Recognition

Thanks to David Nelson for these principles

Causes ofCauses of

ElementsElements

Causes of Invalid ReqtsCauses of Invalid ReqtsWhat We Know About Reqts 2-6

Causes ofCauses of

ElementsElements

What We Know about ReqtsWhat We Know about Reqts

What We Know About Reqts2-10

Causes ofCauses of

ElementsElements

Definition and Action PlanDefinition and Action Plan

75 Times the Expense

75 Times the Expense 8 Times More Defects

75 Times the Expense 8 Times More Defects 1/10 the Time

What We Know About Reqts

Guaranteed (??!?) Cockroach Killer KitGuaranteed (??!?) Cockroach Killer Kit

Wooden Blocks A and B $5.00Wooden Blocks A and B $5.00

Steps:Steps:

Steps:Steps:Place Block B on TablePlace Block B on Table

Steps:Steps:Place Block B on TablePlace Block B on TablePlace Cockroach on Block BPlace Cockroach on Block B

Steps:Steps:Place Block B on TablePlace Block B on TablePlace Cockroach on Block BPlace Cockroach on Block BSmash Block B with Block ASmash Block B with Block A

Steps:Steps:Place Block B on TablePlace Block B on TablePlace Cockroach on Block BPlace Cockroach on Block BSmash Block B with Block ASmash Block B with Block AClean Up the Mess!Clean Up the Mess!

Any Problems With This Technique?Any Problems With This Technique?

Any Problems With This Technique?Any Problems With This Technique?Finding Cockroach in the First PlaceFinding Cockroach in the First Place

Any Problems With This Technique?Any Problems With This Technique?Finding Cockroach in the First PlaceFinding Cockroach in the First PlaceKeeping them Still During SmashingKeeping them Still During Smashing

Any Problems With This Technique?Any Problems With This Technique?Finding Cockroach in the First PlaceFinding Cockroach in the First PlaceKeeping them Still During SmashingKeeping them Still During SmashingIt leaves a Mess!It leaves a Mess!

How is This Just Like Requirements?How is This Just Like Requirements?

How is This Just Like Requirements?How is This Just Like Requirements?Finding Requirement in the First PlaceFinding Requirement in the First Place

How is This Just Like Requirements?How is This Just Like Requirements?Finding Requirement in the First PlaceFinding Requirement in the First PlaceKeeping them Still During CaptureKeeping them Still During Capture

How is This Just Like Requirements?How is This Just Like Requirements?Finding Requirement in the First PlaceFinding Requirement in the First PlaceKeeping them Still During CaptureKeeping them Still During CaptureIt leaves a Mess!It leaves a Mess!

Contents

55 Workshops

Workbench ExplosionWorkbench Explosion

Reqts Verification & Validation 3-3

Workbench ExplosionWorkbench Explosion

MPR Model with StepsMPR Model with Steps

Contents

55 Workshops

6 Step Process6 Step Process

MPR Model with StepsMPR Model with Steps

VerifyVerifyRequirementsRequirements

ValidateValidateRequirementsRequirements

Identify BusinessIdentify Business

NeedsNeeds

NeedsNeedsResolve Conflicts/Resolve Conflicts/

Trade-offTrade-off

Resolve Conflicts/Resolve Conflicts/

Trade-offTrade-off

Analyze Analyze

ImplementationImplementation

ReqtsReqts

Analyze Analyze

ReqtsReqts

ElementsElements

Analyze BusinessAnalyze Business

RequirementsRequirements

Model StepsModel Steps

The 6 Step Reqts Process 4.1-1

NeedsNeeds

Trade-offTrade-off

Analyze Analyze

ReqtsReqts

Analyze Analyze

ReqtsReqts

ElementsElements

4.11. Identify Business Needs

4.1-11. Identify Business Needs

NeedsNeeds

Trade-offTrade-off

Analyze Analyze

ReqtsReqts

Analyze Analyze

ReqtsReqts

ElementsElements

3-6MPR Model with StepsMPR Model with Steps

2. Analyze Business Reqts

4.22. Analyze Business Reqts

4.2-12. Analyze Business Reqts

2. Analyze Business Reqts 4.2-2

2. Analyze Business Reqts 4.2-3

NeedsNeeds

Trade-offTrade-off

Analyze Analyze

ReqtsReqts

Analyze Analyze

ReqtsReqts

ElementsElements

MPR Model with StepsMPR Model with Steps3. Analyze Impl. Constraints 3-6

4.33. Analyze Impl. Constraints

4.3-13. Analyze Impl. Constraints

3. Analyze Impl. Constraints 4.3-2

NeedsNeeds

Trade-offTrade-off

Analyze Analyze

ReqtsReqts

Analyze Analyze

ReqtsReqts

ElementsElements

4. Conflicts/Tradeoff

4.44. Conflicts/Tradeoff

4.4-14. Conflicts/Tradeoff

4. Conflicts/Tradeoff 4.4-1

Step 4 ToolsStep 4 Tools

Forming Investigation TeamForming Investigation Team

NeedsNeeds

Trade-offTrade-off

Analyze Analyze

ReqtsReqts

Analyze Analyze

ReqtsReqts

ElementsElements

MPR Model with StepsMPR Model with Steps5. Verify Requirements 3-6

5. Verify Requirements 4.5

4.5-15. Verify Requirements

5. Verify Requirements 4.5-2

5. Verify Requirements 4.5-3

NeedsNeeds

Trade-offTrade-off

Analyze Analyze

ReqtsReqts

Analyze Analyze

ReqtsReqts

ElementsElements

6. Validate Requirements

4.66. Validate Requirements

6. Validate Requirements 4.6-1

NeedsNeeds

Trade-offTrade-off

Analyze Analyze

ReqtsReqts

Analyze Analyze

ReqtsReqts

ElementsElements

Solve a ProblemSolve a Problem

Achieve an ObjectiveAchieve an Objective

Contents

55 Workshops

Mission – Produce Electronic MediaMission – Produce Electronic Media

Low Low CostCost

Fast Fast Resp.Resp.

High High Qual.Qual.

Great Great ArtwkArtwk

Cust SvcCust Svc

MktingMkting

BurningBurning

Proj MgtProj Mgt

1. Identify Business Needs

Low Low CostCost

Cust SvcCust Svc XX

MktingMkting

BurningBurning XX

Proj MgtProj Mgt XX XX

Low Low CostCost

Cust SvcCust Svc ??????????

MktingMkting

BurningBurning

Proj MgtProj Mgt

Mission – Low CostMission – Low Cost

Customer Customer Service:Service:

Media Media PricePrice

LabelsLabels Burner Burner SlotsSlots

EditsEdits

Telco Telco UsageUsage

Follow upFollow up

MailersMailers

PromosPromos

Foundation, Scope, Objectives 1-6

The Quality Connection A High Quality Requirements Model steve@qualityconn.com.

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Transcript of The Quality Connection A High Quality Requirements Model steve@qualityconn.com.

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