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Definition
| the processes and techniques used by systems analysts to identify or extract system problems and solution requirements from the user community |
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| something that the information system must do or a property that it must have. Also called a business requirement. |
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| something the information system must do. |
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| nonfunctional requirement |
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Definition
| a property or quality the system must have. Examples include security, ease-of-use, performance, etc. |
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Definition
| a graphical tool used to identify, explore, and depict problems and the causes and effects of those problems. It is often referred to as a cause-and-effect diagram or a fishbone diagram (because it resembles the skeleton of a fish). |
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Definition
| the formal process of using research, meetings, interviews, questionnaires, sampling, and other technique to collect information about systems problems, requirements, and preferences. It is also called information gathering or data collection. |
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| requirements definition document |
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Definition
| proposal system to key stakeholders and serves as a contract for the system project. Synonyms include requirements statement, requirements specification, and functional specification. |
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| the process of managing change to the requirements. |
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| the process of collecting a representative sample of documents forms, and records. |
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| a sampling technique characterized by having no predetermined pattern or plain for selecting sample data. |
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| a systematic sampling technique that attempts to reduce the variance of estimates by spreading out the sampling-for example, choosing documents or records by formula - and by avoiding very high or very low estimates. |
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| a fact-finding technique wherein the systems analyst either participates in or watches a person perform activities to learn about the system. |
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| fact-finding technique that involves a large number of observations taken at random intervals. |
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| a document that allows the analysts to collect information and opinions from report. |
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| free-format questionnaire |
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Definition
| free-format questionnaire = a questionnaire designed to offer the respondent greater latitude in the answer. A question is asked and the respondent records the answer in the space provided after the question. |
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| fixed format questionnaire |
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Definition
| a questionnaire containing questions that require selecting an answer from predefined available responses. |
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| a fact finding technique whereby the systems analysts collects information from individuals through face-to-face interaction. |
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| an interview that is conducted with only a general goal or subject in mind and with few, if any, specific questions. The interviewer counts on the interviewee to provide a framework and direct the conversation. |
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| structured interview an interview in which the interviewer has a specific set of questions to ask of the interviewee. |
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| a question that allows the interviewee to respond in any way that seems appropriate. |
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| closed-ended question = a question that restricts answers to either specific choices or short, direct responses. |
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| the nonverbal information we communicate. |
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| the relationship between people and the space around them |
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| the act of building a small scale representative or working model of the users' requirements in order to discover or verify those requirements. |
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| joint requirements planning (JRP) |
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Definition
| a process whereby highly structured group meetings are conducted for the purpose of analyzing problems and defining requirements. |
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Definition
| a technique for generating ideas by encouraging participants to offer as many ideas as possible in a short period of time without any analysis until all the ideas have been exhausted |
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