Zusammenfassung der Ressource
1b Investigation methods
- Things affecting investigation method
- Information required
- Number of people involved
- Availablity
- Cost/Time
- Organisation rules
- Questionaires
- O- Good for lots of users
- O- Gets elicit information with easy data analysis
- O- Can be done in user's time
- O- Can be done anonymously, less pressure on answers
- Types of questions
- Multiple choice
- Opinion rating
- Open question
- O- Can plan questions
- X- Impersonal
- X- Questions need to be clear,
can't ask for elaboration
- X- Answers may not be returned
- Interviews/ Meetings
- Best for individuals/ small groups
- O- Can get fuller response and elaborations as
well as ask futher questions
- O-Can get detailed information
- O- Can get informal responses of opinions
such as body language or facial expression
- X- Time Consuming
- X- Not appropriate for many people
- X- Provides little statistical data analysis
- X- Have to consider the availability of the user
- X- Lack of anonymity --> Less honest answers
- Examining Documents
- Documents
- Data collection forms
- Invoices
- Receipts
- Calendars
- Business cards
- O- Can identify data flows in organisation
- O- Can identify lots of data used in the organisation
- X- Doesn't show all data used as it only
shows "formally" used written data
- X- Not all documents examined may be used
as a data source for the organisation.
- Observations
- Observing users carrying out normal tasks
- O- Sitting with users and asking questions if needed
- Video camera
- Users may not like being filmed
- Users may adapt behaviour to be
more appropriate if being observed
- O- Can give clearer meaning
than descriptions alone
- Things to find out
- Tasks that are done
- Lenghts of tasks
- Inputs and outputs for each task
- O- Any inefficiencies
- O- Useful if little to no documantation is used
- O - Can find out about user experience
- Users may feel intimidated
- Time consuming
- Only gives a snap shot, not what is
like in the organisation continuously.