Project Development Models ( Waterfall, Rad And Scrum

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Introduction 1. Project development models are control systems which help establish the framework for conducting a project. There are many different models that can be used, however, correct selection of a methodology is paramount to its success. If applied correctly it will aid Project Managers in controlling a project throughout its lifespan and enable them to react to the unpredictable. With many different project development models available selecting the correct one could in itself become a mini project. This assignment will look to research and report on three different project development models (Waterfall, RAD and Scrum) examining their advantages and disadvantages to aid in model selection. The Waterfall Method 2. The Waterfall method was originally developed in 1970 by Dr. W Royce to assist with the development of software. It has survived to this day through adaption and revisions enabling it to be one of the most widely used models (Charvat 2003). Its namesake originates from the analogy of a waterfall flowing downwards with the model following suit, cascading towards completion (Balaji and Murugaiyan 2012) this is known as a serial lifecycle. Each phase (starting in the top left corner) within the serial lifecycle is completed before moving on to the next phase until the end goal is reached (see Figure 1). This kind of method suits projects that have clearly defined stage goals, outcomes or solutions that are highlighted in the initial strategy of
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