Among the factors that might influence the choice of a software development proc

Question

Among the factors that might influence the choice of a software development process model, let us focus on two: R: The degree to which the stakeholders and team members understand the stakeholders' requirements in the early days of the project. A: the level of agreement that the team shares on the likely architecture of thersystem Consider the 4 extreme combinations of high/low values of R and A. The team has past experience working under the spiral model. For each of these four cases should they stay with that model or consider moving to some other model? |low R, low A | high R, high A | low R, high A | high R, low A A. change B.stay

Explanation / Answer

Low R Low A: B

Keeping the same as spiral model incorporates a prototyping system, which is helpful for low understanding of a project. In addition, if the agreement to the architecture of the system is low then some issues may occur during development, which can be fixed in the next iteration if any.

High R, high A: A

Spiral model is a complex model, and if both the points are strong, we can take a simpler model like iterative waterfall model to develop the project.

Low R, high A: A

As there is low understanding of the system and high agreement to the architecture, we can use a prototyping model to develop prototypes and deploy the project phase by phase.

High R, low A: B

As the agreement to the architecture is low some issues may creep up due to this, which can be fixed in the next iteration of the spiral model.

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