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Teachable Tools

Training and development involve improving the effectiveness of organizations and the individuals and teams within them. Training may be viewed as related to immediate changes in organizational effectiveness via organized instruction, while development is related to the progress of longer-term organizational and employee goals. While training and development technically have differing definitions, the two are oftentimes used interchangeably and/or together. Training and development have historically been topics within adult education and applied psychology but have within the last two decades become closely associated with human resources management, talent management, human resources development, instructional design, human factors, and knowledge management

Agile software development values

Based on their combined experience of developing software and helping others do that, the authors of the manifesto declared that they valued:

Individuals and interactions over processes and tools

Working software over comprehensive documentation

Customer collaboration over contract negotiation

Responding to change over following a plan

That is to say, while both sides have value and the items on the right should be considered, the authors felt that the items on the left should have more influence on how people approach their work.

As Scott Ambler explained:

Tools and processes are important, but it is more important to have competent people working together effectively.

Good documentation is useful in helping people to understand how the software is built and how to use it, but the main point of development is to create software, not documentation.

A contract is important but is no substitute for working closely with customers to discover what they need.

A project plan is important, but it must not be too rigid to accommodate changes in technology or the environment, stakeholders' priorities, and people's understanding of the problem and its solution.

Some of the authors formed the Agile Alliance, a non-profit organization that promotes software development according to the manifesto's values and principles. Introducing the manifesto on behalf of the Agile Alliance, Jim Highsmith said,

The Agile movement is not anti-methodology, in fact many of us want to restore credibility to the word methodology. We want to restore a balance. We embrace modeling, but not in order to file some diagram in a dusty corporate repository. We embrace documentation, but not hundreds of pages of never-maintained and rarely-used tomes. We plan, but recognize the limits of planning in a turbulent environment. Those who would brand proponents of XP or SCRUM or any of the other Agile Methodologies as "hackers" are ignorant of both the methodologies and the original definition of the term hacker.

— Jim Highsmith, History: The Agile Manifesto

Agile software development principles

The Manifesto for Agile Software Development is based on twelve principles:

Customer satisfaction by early and continuous delivery of valuable software.

Welcome changing requirements, even in late development.

Deliver working software frequently (weeks rather than months).

Close, daily cooperation between business people and developers.

Projects are built around motivated individuals, who should be trusted.

Face-to-face conversation is the best form of communication (co-location).

Working software is the primary measure of progress.

Sustainable development, able to maintain a constant pace.

Continuous attention to technical excellence and good design.

Simplicity—the art of maximizing the amount of work not done—is essential.

Best architectures, requirements, and designs emerge from self-organizing teams.

Regularly, the team reflects on how to become more effective, and adjusts accordingly.

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