Zusammenfassung der Ressource
3.9.1 Investigation and Recording Techniques
- Observation
- Better than asking questions
- Reduces missing or forgetting something
- Good option if not much documentation
- Identify how long each task is
- Must get permission
- How the finding will be recorded
- Where and when
- What part of the current system is observed
- Research
- Identify IPOs
- Only when information flow is document based
- Clarify information given by users
- Trace sources and recipients of information
- Copies of all documents should be collected
- Gives an overview of
formats and layout styles
- Existing forms, reports, screen
designs, purchasing orders, invoices,
stock reports, customer records
- Unsuitable where new
systems are being developed
- Questionnaires
- Info from a wide range if users
- Variety of questions about old and new
system
- Structured clearly
- Short answers - quantitative
- Descriptive answers - qualitative
- Control the return of them
- Time
constraint
- Give out at meeting and collect at end
- Only sent to relevant to end users
- Question design
- Chance for
additional feedback
- Interviews
- Who to invite
- Where and when
- Questions to ask
- Recording method
- Clarify information already given
- Reveal new information
- Agenda required for
meetings
- good opportunity to
understand the system
from end users perspective
- Carefully planned so no ambiguity
- Questions modified as interview progresses
- Reveals things not already considered
- Rapport developed between interviewer and interviewee