WK3-LU3 Information Gathering

Requirements Determination

The process of identifying essential features and specifications of a new system by analyzing the existing system.

Joint Application Design (JAD)

A structured process that brings together users, analysts, and stakeholders to collaboratively develop system requirements.

Open-ended Questions

Questions that allow for elaborate responses, encouraging interviewees to provide detailed and expansive answers.

Closed Questions

Questions that limit respondents to a finite number of answers, often used for collecting quantitative data.

Probes

Follow-up questions designed to extract more detail or clarification from the interviewee.

Pyramid Structure

An interview questioning technique that starts with closed questions and progresses to more open-ended ones.

Funnel Structure

An interview approach that begins with broad, open-ended questions and narrows down to more specific questions.

Nominal Scales

Measurement scales used for classifying and categorizing data without implying any order.

Validity and Reliability

Validity refers to how well a question measures what it is supposed to measure, while reliability refers to the consistency of responses over time.