3.9.1 Investigation and Recording Techniques

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AS level ICT Mind Map on 3.9.1 Investigation and Recording Techniques, created by Cerys Gill on 11/10/2016.
Cerys Gill
Mind Map by Cerys Gill, updated more than 1 year ago
Cerys Gill
Created by Cerys Gill about 8 years ago
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Resource summary

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