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Part II: Information Requirements Analysis. Lecture Note 5 Information Gathering: Interactive Methods and Unobtrusive Methods. Systems Analysis and Design Kendall & Kendall Sixth Edition. Major Topics. Three key interactive (相互交流) methods for information gathering. Interviewing Techniques
Systems Analysis and Design
Kendall & Kendall
By using interactive methods with unobtrusive methods you will achieve a more complete portrait (生動的描寫) of the organization’s information requirements.
CS206 System Analysis & Design Note 5 By Chang Yu
JAD (JointApplication Design)
Five steps in planning the interview are:
Name of person being interviewed Name of person being interviewed
Office, Conference Room, Start Time:
or Phone Number End Time
What data to collect Background / experience of interviewee
On what to gain agreement Known opinions of interviewee
What areas to explore
Agenda: (議程) Approximate Time:
Introduction 1 minute
Background on Project 2 minutes
Overview of interview
Topics to be covered 1 minute
Permission to Tape Record
Topic1: Questions 5 minutes
Summary of major Points 2 minutes
Questions from interviewee 5 minutes
Closing 1 minute
General Observations: …..
Unresolved Issues, Topic not Covered: ….
When to ask question, if conditionalAnswer
Question number 1: Yes, I ask for a report on my
Have you used the current sales product line weekly.
tracking system? If so, how often?
Seemed anxious – may be
overestimation usage frequency
Question number 2:Answer
What do you like least about Sales are shown in units, not dollars
System can show sales in dollars,
but user does not know this.
Typical Interview Guide
There are three types of interview questions:
Eight benefits of open-ended questions are:
The five drawbacks include:
2. Closed:Questions in interviews and on questionnaires that ask those responding to choose from among a set of specifiedresponses.
Saving interview time.
Easily comparing interviews.
Getting to the point.
Keeping control of the interview.
Covering a large area quickly.
Getting to relevant data.
Boring for the interviewee.
Failure to obtain rich detailing.
Missing main ideas.
Failing to build rapport (協調) between interviewer and interviewee.
The three basic ways of structuring interviews are :
Closing the Interview:
JAD may be used when:
A JAD team of users, managers, and IT professionals works together to identify and document requirements for a new system.
Illustration of the typical room layout for a JAD
Questions are designed as either:
* Even when you write an open-ended question, it must be narrow enough to guide respondents to answer in a specific way.
What type of software do you use the most?
1 = Word Processor
2 = Spreadsheet
3 = Database
4 = An Email Program
How useful is the support given by the Technical Support Group?
NOT USEFUL EXTREMELY
AT ALL USEFUL
1 2 3 4 5
Good response rates can be achieved with consistent control of questionnaire.
Methods of administering the questionnaire include:
File cabinets and bookshelves:
External Information Sources