Logical Design Sample Clauses

Logical Design. Some of these refactored requirements and use cases challenged the existing software architecture and basic conceptual model. After reviewing the extensive list of changes and requirements it became clear that while the existing application would largely stay intact, there were several main changes in the logical design of the application that needed to be revamped to better fit revised requirements. The first was the use of Questionnaire sets and the fixed hierarchy of Study 🡪 Questionnaire Set 🡪 Questionnaire 🡪 Section. The second was the concept of the Subject of study, and the third was the addition of Relationships. 1. Questionnaire sets and the fixed hierarchy of Study 🡪 Questionnaire Set 🡪 Questionnaire 🡪 Section One complaint from users of QM was the reliance on the rigid structure imposed by the fixed hierarchy where each study needed at least one Questionnaire Set which needed at least one Questionnaire which needed at least one Section in order to place the Questions. After some discussion it was decided that Questionnaire Sets caused confusion rather than meeting a true study design need. Likewise it was decided that Sections, while a necessary functionality, should not be required. These changes leave the ordinality of the hierarchy intact, as it makes little sense for Questionnaires to appear inside of Sections or Studies inside of Questionnaires. However, it now allows for the most basic design where a study has one single questionnaire and that questionnaire has a few short questions, as often occurs in outbreak investigations. 2. Eliminating the Subject of Study concept from QM