Information Gathering


Sources  &   Methods   ( interviews, questioners, observation, document   analysis)



Most commonly used, and normally most useful, fact-finding technique.

Enables collection of information from individuals face-to-face.

Objectives include finding out facts, verifying facts, clarifying facts, generating enthusiasm, getting end-user involved, identifying requirements, and gathering ideas and opinions.

interview and its adv and disadv

Types of Interviews

Structured – Close ended questions

Unstructured – Open ended questions


Phases in an Interview

Selecting Interviewees: who to interview

Designing Interview Questions: open ended,

closed ended questions, etc.

Preparing for the Interview

Conducting the Interview

Post-Interview Follow-up


Preparing for an Interview

Prepare General Interview Plan

List of Question

Anticipated Answers and Follow-Ups

Confirm Areas of Knowledge

Set Priorities in Case of Time Shortage

Prepare the Interviewee


Inform of Reason for Interview

Inform of Areas of Discussion


Conducting an Interview

Appear professional and unbiased

Record all information

Check on organizational policy regarding tape recording

Be sure you understand all issues and terms

Separate facts from opinions

Give interviewee time to ask questions

Be sure to thank the interviewee

End on time


Tips: Don’t Worry, Be Happy, Pay Attention, Summarize Key Points,

Be Succinct, Be Honest, Watch Body Language





Conduct surveys through questionnaires – special-purpose documents that allow facts to be gathered from a large number of people while maintaining some control over their responses.

Two types of questions, namely free-format and fixed-format.

questionnaries adv and disadv



Effective technique for understanding system.

Possible to participate in, or watch, a person perform activities to learn about system.

Useful when validity of data collected is in question or when complexity of certain aspects of system prevents clear explanation by end-users.

Example: studying how a student learns through VERBAL PROTOCOLS.

observation adv and disadv


Document  Analysis








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