Systems analysis and design: current practices
MIS Quarterly
Use of development methodology and tools
Journal of Systems Management
CASE is software automation
An assessment of case technology for software design
Information and Management
Current usage of case software
Journal of Systems Management
CASE productivity perceptions of software engineering professionals
Communications of the ACM - Special issue: multiprocessing
Computer-aided software engineering: present status and future directions
ACM SIGMIS Database
Software maintenance management: changes in the last decade
Journal of Software Maintenance: Research and Practice
Systems analysis: a systemic analysis of a conceptual model
Communications of the ACM
Studying programmer behavior experimentally: the problems of proper methodology
Communications of the ACM
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Computer Aided Software Engineering (CASE) has been receiving increasing attention because of its potential for substantial productivity improvement of software development. Yet only about 24% of companies use these tools. Arguments have been made that CASE tools are difficult to learn and use. We conducted two experiments with subjects who were both students and professional analysts to evaluate how easy it is for first time users to learn and a CASE tools to draw Data Flow Diagrams (DFDs).We found a typical CASE tool was easy to learn and use for developing correct, complete, balanced and readable DFDs. These experiments provide support for providing training in the structured technique before introducing the CASE tool based on the technique. It is proposed that failure to understand the technique may be translated into perceived failure of the CASE technology, and one reason for the limited use of CASE in organizations.