Agile Methodologies - Scrum - Agile inception Deck

AGILE
METHODOLOGIES
Por Jorge Moreno
Jorguztav@gmail.com

 “Waterfall” methodology
 Agile methodologies
 Scrum
 Inception deck
INDEX

Agile methodologies to SE. 2019 (cc) Jorge Moreno .
Is a sequential process of
software development, from one
stage to the other. You cannot
move on to the next phase until
the preceding phase is complete.
Waterfall methodology
-Definition
1-3
-

It was introduced by Royce in 1970. In spite of its
many shortcomings this model has been
successfully implemented by many software
companies.
-Definition-

It was inherited from the
hardware manufacture and
construction strategies that
were in practice during the
1970s
-Characteristics
1-3
-

It is logical-think before you build, write it all down,
follow a plan, and keep everything as organized as
possible. It has just one great weakness: humans
are involved.
-Characteristics-

Good ideas appear throughout the process in the
beginning, the middle, and sometimes even the day
before launch.
-Characteristics-

Normally, it has a planning phase to carefully think
on the end product. It involves design and document
with great detail.
-Characteristics-

There are many different heavyweight
methodologies, but the most important and popular
are: Waterfall, Spiral Model and Unified Process.
-Similar methodologies
4
-

Agile methodologies
-Definition
1-3
-
It is software development
methodology based on iterative
and incremental model of
software development, which
was defined in a research
paper by Edmonds in 1974.

Agile methodologies
-Definition-
AM has a belief that an
approach more grounded in
human reality. And the most
important principle in this
model is customer satisfaction.

Agile methodologies
-Characteristics
1-3
-
• Focus on agility and adaptability in development.

Agile methodologies
-Characteristics-
• Each agile iteration goes
through all the steps.
Therefore the analysis,
coding, design, and
testing are continuous
activities

Agile methodologies
-Characteristics-

• The design is kept open to last minute changes due
to iterative implementation.
Agile methodologies
-Characteristics-

• The team structure is
cross functional. An
agile project, narrowly
there are defined
roles.
Agile methodologies
-Characteristics-

• Less importance is given to documentation and more
to speed of delivering a working program.
Agile methodologies
-Characteristics-

• Customers may be provided demonstrations at the
end of each iteration, and their feedback may
determine the next Iteration.
Agile methodologies
-Characteristics-

• The iterative cycle continues till the customer is
delivered with a product which exactly meets his
expectations.
Agile methodologies
-Characteristics-

Agile methodologies
-Advantages
4
-
• Respond to the changing requirements.
• The changes are integrated immediately.
• There is no guesswork.
• Software is delivered in the shortest
period of time.

Agile methodologies
-Disadvantages
4
-
• It is not suitable to long project.
• the customers' doubt can cause drawbacks.
• Only senior developers can take the
decisions for the agile type of development.

Agile methodologies
-The most used
4
-

Agile methodologies
-Crystal family
5
-
It is a collection of agile methodologies that can be used for
different software projects depending upon size, complexity,
criticality and number of people involved

Agile methodologies
-Crystal family-
• Crystal clear
• Crystal yellow
• Crystal orange
• Crystal red

Agile methodologies
-Lean Software Development (LSD)
6
-
LSD was adapted from TOYOTA. LSD is an iterative
methodology that concentrates on optimizing the entire process
to reach the maximum possible gain. In this, team size and
iteration lengths are not defined.

Agile methodologies
-Lean Software Development (LSD)-

Agile methodologies
-Kanban
7
-
Kanban is a word from Japanese which means ‘signboard’.
Basically it is a visual process management system with
continue deliveries while not overburdening to development
team.

Agile methodologies
-Kanban-

Agile methodologies
-Extreme Programming (XP)
6
-
XP focuses on engineering practices to improve software
quality and quickly addresses the changing customer
requirements to meet business needs.

Agile methodologies
-Extreme Programming (XP)-
XP consists of:
• Gathering informal requirements.
• Organizing teams of pair programmers.
• Simple designs.
• Continuous refactoring.
• Continuous integration and testing.
• Frequent releases in short development cycles.

Agile methodologies
-Extreme Programming (XP)-

Agile methodologies
-Comparison AM/HM-

Agile methodologies
-SCRUM
2
-
It is the most popular agile method. Firstly, the
“Rugby” term was introduced, which later morphed
into “Scrum”.

Agile methodologies
-SCRUM-
Scrum is now used by companies large and small.

Agile methodologies
-SCRUM-Definition-
• Simple and powerful.
• Flexibility.
Scrum is an iterative, incremental process for developing, not only
to software product, but any product or managing any work.
• Avoid the chaos in changing
environment.
• Significant improvements.
• Productivity and morale.

Agile methodologies
-SCRUM-Roles-
The Scrum team in Scrum Mainly has three roles: The Product
Owner, The Team, and The Scrum Master.

Agile methodologies
-SCRUM-Roles-
The Product Owner
Maximize return on
investment (ROI)
Make a prioritized
Backlog
Identify product
features
Re-prioritizing
and refining the
Backlog list

Agile methodologies
-SCRUM-Roles-
Scrum team
Builds the product Provides ideas
Cross-functional
Seven plus or
minus two people

Agile methodologies
-SCRUM-Roles-
Scrum Master
Helps to learn and
apply Scrum
Not a manager
Protects team from
outside interference
Guides in the skillful
use of Scrum

Agile methodologies
-SCRUM-Key practices Scrum-
Product Backlog Sprint planning meeting
Sprint Backlog
Daily Scrum
Sprint review
Sprint retrospective

Agile methodologies
Product Backlog
It evolves refined and prioritized list
of features, that exist over the
lifetime as a road map. The Product
Owner make prioritization decisions.

Agile methodologies
Sprint
It is a development cycle of work that
is no more than one month each. The
result must be a shippable product. It
is the procedure of adapting to the
changing environmental variables.

Agile methodologies
Sprint planning meeting
It is at the beginning of each Sprint. It
involves two parts. The first one is to
understand what the Product Owner wants.
In the second one, the team decides how
much work committing to select the items
with highest priority.

Agile methodologies
Sprint Backlog
It is a document that record and
organized the tasks of the
Product Backlog. This is a
meeting before to start the
Sprint.

Agile methodologies
Daily Scrum
It is a short daily meeting (15 min)
to self-organize and synchronize
the work and report obstacles
among members of Scrum team

Agile methodologies
Sprint Review
It is an inspection and adaption
activity for the product. To see
and learn what is going on and
then evolve based on feedback,
in repeating cycles.

Agile methodologies
Sprint Retrospective
It involves inspect and adapt
regarding the Scrum process. The
team discuss what’s working and
what’s not working, and agree on
changes to try.

Agile methodologies
-SCRUM-

The 25% of organizations use “agile” practices.
• The “scrum” method………………………………. 58%.
• Scrum + extreme programming ………………….10%.
• Scrum + kanban ……………………………………8%.
• Kanban……………………………………………….5%.
• Others………………………………………………..19%.
Agile methodologies
-SCRUM
7
-

Agile methodologies
-INCEPTION DECK
3
-
It is a powerful expectation-setting tool that
involves ten questions which you need to
answer before starting any software project.

Agile methodologies
-INCEPTION DECK-
Apparently agreement
Absent of communication
The assumption of consensus where none
exists is what kills most projects.

Agile methodologies
-INCEPTION DECK-

Agile methodologies
-INCEPTION DECK-
WHY ARE WE HERE?
• To understand the why it’ll be build.
• Really understand their costumer’s
needs.
• Goals and purposes Summarizing.

Agile methodologies
-INCEPTION DECK-
ELEVATOR PITCH
A way of communicating your project
idea in a very short period of time. It’ll do:
• Brings clarity
• Thinks about costumers
• Sets priorities

Agile methodologies
-INCEPTION DECK-
PRODUCT BOX
Imagine that you could buy our software off
the supermarket shelf. Would you buy it?
• First, make a Brainstorm Product’s Benefits
• Create a Slogan
• Design the Box

Agile methodologies
-INCEPTION DECK-
NOT LIST
You will clearly state what is in and
out of scope for your project. And
the team focus on important stuff
while ignore everything else.

Agile methodologies
-INCEPTION DECK-
MEET YOUR NEIGHBORS
You can build good relationships
with your neighbors who interact
with the project.

Agile methodologies
-INCEPTION DECK-
SHOW YOUR SOLUTION
• Set tools and technologies.
• Visualizes project boundaries
and scope.
• Communicates risk.

Agile methodologies
-INCEPTION DECK-
KEEP US UP AT NIGHT
• Estimates can be very
optimistic.
• Talk about risk.
• Highlights project challenges.
• Classify them.

Agile methodologies
-INCEPTION DECK-
SIZE IT UP
• Software delivered, even with
rough guess. Estimations.
• Risk increases over time.
• Think small.

Agile methodologies
-INCEPTION DECK-
WHAT´S GOING TO GIVE • Forces that impact.
• Right balance btw them.
• Trade-off sliders

Agile methodologies
-INCEPTION DECK-
WHAT´S GOING TO TAKE
• Define kind of project team.
• Roles and responsibilities.
• Customers in one voice.
• Rough budget in work time

References
1. M. Mccormick, “Waterfall vs. Agile Methodology.”
2. P. Deemer, G. Benefield, C. Larman, and B. Vodde, “Scrum Primer Version 1.2,” 1993.
3. J. Rasmusson, “The Agile Samurai.”
4. M. A. Awad, “A Comparison between Agile and Traditional Software Development
Methodologies.”
5. F. Anwer, S. Aftab, U. Waheed, and S. S. Muhammad, “Agile Software Development
Models TDD, FDD, DSDM, and Crystal Methods: A Survey,” Int. J. Multidiscip. Sci. Eng.,
vol. 8, no. 2, 2017.
6. H. K. Flora and S. V Chande, “A Systematic Study on Agile Software Development
Methodologies and Practices.
7. S. Merzouk, S. Elhadi, H. Ennaji, A. Marzak, and N. Sael, “A Comparative Study of Agile
Methods: Towards a New Model-based Method,” 2017.

Agile Methodologies - Scrum - Agile inception Deck

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