Which of the following statements is FALSE with respect to systems development? The investigation phase includes initial feasibility analyses that result in the project team recommending either abandoning the project or committing to the project through its completion. Although we typically realize the importance of economic feasibility, in reality other areas are equally important such as operational and schedule feasibility. Your text states that the process of identifying, confirming and prioritizing system requirements is perhaps the most critical step in the entire waterfall development process because failures in this area are often discovered late and lead to much rework, many delays and additional costs. Data Flow Diagrams depict data flowing through the system and include processes.