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The New Business Analyst

Splitting the RequirementA Subatomic Analysis


2023-04-11 ©2014 PJM Limited and The New Business Analyst. All rights reserved 2

What do Requirements Look Like?• Have you ever wondered what a requirement

looks like?• What they look like on the inside.• If we could split one open, like an atom, what

would we see?



Think Building Blocks• The atom is the basic

building block of matter.• Atoms are made up of

even smaller things known as particles.

• The requirement is the basic building block of a solution.

• Requirements are also made up of smaller things known as elements.



It All Starts with a Behaviour• Every requirement must do something.• What it does, how it does it, when it does it

and so on, are the elements of the requirement.

• Like an atom, requirements are expressed with structure.



The Elements of a Requirement• All requirements have 5 basic elements

1. Behaviour2. Condition3. Rational4. Quality5. Procedure



The Elements of a Requirement1. Behaviour– Defines a range of actions in combination with itself

and it’s environment.– It is the response of the system or organism to various

stimuli or inputs, whether internal or external, conscious or subconscious, overt or covert, and voluntary or involuntary. (Source: Wikipedia)

– Drive and constrain all elements within its structure.



The Elements of a Requirement2. Condition– A material implication or consequence.– Realis mood, a mode of grammar, which refers to

the inflection of a sentence, in this case a statement of fact.

– Conditions drive and constrain behaviours.– Conditions also drive and constrain procedure.



The Elements of a Requirement3. Rational– The organisational or stakeholder need behind

the requirement.– Ideas that should operate according to reason

and logic.– Rational drives and constrains the behaviour.



The Elements of a Requirement4. Quality– Qualities are distinctive attributes or

characteristics possessed by the behaviour and other elements of the requirement.

– Qualities drive and constrain and are driven and constrained by other elements within the structure.



The Elements of a Requirement5. Procedure– An established way of proceeding.– Steps needed to accomplish the rational.– Defines how the behaviour will act.– Procedures are driven and constrained by other

elements within the structure.



The Elements of a Requirement• What does the structure look like?

KEEP GOING!


©2014 PJM Limited and The New Business Analyst. All rights reserved 122014-08-12

Behaviour

Requirement #30756

Condition

Unique Quality

Solution Dependent

Procedure

Normative Procedure

Exception Procedure

Event Condition

Component Condition

has

is a

is a

Solution Independent

Rationale



Behaviour

Requirement #30756

has

Physicality

Security

Safety

Environment

Performance

…

Solution Dependent


Specifications



Behaviour

Requirement #30756

Condition

Unique Quality

Solution Dependent

Procedure

Normative Procedure

Exception Procedure

Event Condition

Component Condition

has

is a

is a


Rationale

What does it need to

do?

What value will it bring?

How will be

behave?

How will it act?

What makes it what is

is?



Splitting the Requirement

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2014-08-12