Professional Skills - Project development processes

Project development processes

Development approaches

A development approach is the means used to create and evolve the product, service, or result during the project life cycle.[. . . ] Three commonly used approaches are predictive,

hybrid, and adaptive.

A spectrum of approaches

Choice of a development approach

1. project variables (stakeholder, time, and cost)

2. organization (structure, culture, policies, size)

3. outcome (product, service, or result)

​ ▶ degree of innovation

​ ▶ clarity of requirements

​ ▶ stability of scope

​ ▶ inherent risk

​ ▶ safety requirements

​ ▶ relevant regulations

The six phases of a project’s life cycle

FEASIBILITY

DESIGN

BUILD

TEST

DEPLOY

CLOSE

A predictive life cycle

An adaptive life cycle

Can be iterative or incremental

The software engineering perspective：

Software development life cycle (SDLC)

Summary

1. What are the most common project development approaches? Predictive, adaptive, and hybrid.

2. When is a predictive approach most suitable? Low-risk projects with clear requirements and constraints.

3. What is the most popular predictive approach? The waterfall approach.

4. What is the most popular adaptive approach? The agile methodology.

开发方法概述：

• 开发方法是指在项目生命周期中用于创建和改进产品、服务或成果的手段。
• 常见的三种方法包括：预测性方法、混合型方法和适应性方法。

开发方法的选择：

• 选择开发方法需要考虑项目变量（如利益相关者、时间和成本）、组织（如结构、文化、政策和规模）以及预期成果（如产品、服务或结果）。
• 具体因素还包括：创新程度、需求清晰度、范围稳定性、固有风险、安全需求和相关法规。

项目生命周期的六个阶段：

• 可行性（Feasibility）
• 设计（Design）
• 构建（Build）
• 测试（Test）
• 部署（Deploy）
• 结束（Close）

不同生命周期模型：

• 预测性生命周期：适用于需求明确、约束清晰、风险较低的不确定性项目。
• 适应性生命周期：适用于需求波动较大、风险较高且不确定性高的项目，可采用迭代或增量方式。

常见的开发方法：

• 瀑布模型（Waterfall）：一种预测性开发方法，强调线性和阶段性，适合低风险、需求明确的项目。
• 敏捷方法（Agile）：一种适应性方法，强调团队协作、快速响应变化，适合需求不确定的项目。

总结：

• 最常见的项目开发方法为：预测性、适应性和混合型。
• 瀑布模型是最常见的预测性方法，而敏捷方法是最受欢迎的适应性方法。

What is Scrum?

• Scrum is an agile framework

• Scrum is a way to get work done as a team

• in small pieces at a time

• with continuous experimentation

• with feedback loops along the way to learn and improve as you go

• Check https://www.scrum.org/ for resources and information on Scrum

The Scrum framework (I)

Scrum team

• Product owner

• Scrum master

• Developers

Artifacts

• Product Backlog
• Sprint Backlog
• Increment

Events

• The Sprint
• Sprint Planning
• Daily Scrum
• Sprint Review
• Sprint Retrospective

The Scrum values