Software Development Lifecycle (SDLC): End-to-End Overview

Requirement gathering is also called Requirement Elicitation

Requirement gathering devided in to 4 parts

1. Interviews

One-to-one discussion with stakeholders.

Advantages:

Detailed information

Clarification possible

Disadvantages:

Time-consuming

May include bias

2. Questionnaires

Set of written questions sent to stakeholders.

It offently used when Large number of users involved in it or remote teams are involved.

3. Workshops

Group discussion session..

Advantages:

Faster decision making

Conflict resolution

4. Observation

Watching users perform tasks.

Best for:

Understanding real workflows

Discovering hidden requirements