project decisions?

 The purpose of this chapter is to introduce you the idea of managing an information systems project. Specifically, this chapter We will be focusing on the systems analyst’s role in managing information systems projects through the four phases in the life of all projects: initiation, planning, execution, and close down. A project is a planned undertaking of related activities to reach an objective that has a beginning and an end, while a project manager assures that a systems development project meets customer expectations and is delivered within budget and time constraints. As we discuss why organizations undertake information system projects, let us discuss the reasons why organizations undertake information system projects. 

The first question is do you have any experience as a team member in making go/no go type of project decisions? If so, why? If not, why not? How would you justify your decision?