Chapter 1
20 min read
20 min readIntroduction to the PSM I Certification
What PSM I validates, how to reason from Scrum, current assessment details, the complete 13-part and 62-chapter roadmap, workload, readiness, and preparation.
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25 min readSoftware Development Before Agile
How plan-driven projects, sequential phases, up-front planning, predictability, uncertainty, and long feedback cycles created the conditions for Agile and Scrum.
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25 min readThe Waterfall Model
How Waterfall organizes sequential software development, where its seven phases fit, and why late feedback, testing, and validation amplify risk.
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25 min readComplexity and Uncertainty in Projects
How simple, complicated, and complex work differ, why digital products remain uncertain, and how hypotheses and short feedback loops support empirical decisions.
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20 min readThe Rise of the Agile Movement
How lightweight methods, Snowbird 2001, and the Agile Manifesto shaped adaptive software development, and how Agile values differ from Scrum rules.
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25 min readThe Four Values of the Agile Manifesto
How to interpret "over," preserve the value of both sides, eliminate common misconceptions, and use the four Agile values for practical decisions.
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