Answering the « Where is the Proof That Agile Methods Work » Question

Vu sur le site ++[Agile Modeling|http://www.agilemodeling.com/essays/proof.htm|en]++ de Scott W. Ambler :%%% %%% !!! Geoffrey Moore, in the book « Crossing the Chasm » describes five types of profiles of technology adopters:%%% * __innovators__ who pursue new concepts aggressively, * __early adopters__ who pursue new concepts very early in their lifecycle, * __the early majority__ wait and see before buying into a new concept, * __the late majority__ who are concerned about their ability to handle a new concept should they adopt it, * __laggards__ who simply don’t want anything to do with new approaches.%%% %%% This figure « __Crossing the Agile Chasm__ » depicts Moore’s chasm with respect to agility :%%% %%% [((/dotclear/public/./.chasm_m.jpg|Chasm|C|Chasm, mai 2009))|/dotclear/public/chasm.jpg] %%% !!! Shorter feedback cycles lead to greater success:%%% This figure maps the feedback cycle of common development techniques (for the sake of brevity not all techniques are shown) to the cost curve. Agile techniques, such as Test Driven Design (TDD), pair programming, and Agile Model Driven Development (AMDD) all have very short feedback cycles, often on the order of minutes or hours. Traditional techniques, such as reviews, inspections, and big requirements up front (BRUF) have feedback cycles on the order of weeks or months, making them riskier and on average more expensive.%%% %%% __Mapping common techniques to the cost of change curve :__%%% %%% [((/dotclear/public/./.comparingTechniques_m.jpg|Comparing techniques|C|Comparing techniques, mai 2009))|/dotclear/public/comparingTechniques.jpg]

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