Lec 42: Interviewing

Lec 42: Interviewing

by Prof. Sharmistha Banerjee

Humanities, Social Sciences & Thought Society & Culture JKSSocial welfare, social policy and social servicesJKSW1Police and security services
🎙 Prof. Sharmistha Banerjee 👥 228K 📅 September 1, 2026 ⏱ 28 min 👁 0 📄 tutorial 🧭 2026-09-01
Available in: English (current) Français

Keywords

interviewstructuredsemi-structuredunstructuredrapport

Summary

This lecture from the NPTEL course ‘User Research Methods’ focuses on interviewing as a core qualitative research technique. The instructor, Prof. Sharmistha Banerjee, begins by defining interviews as guided conversations that are more open than surveys but more focused than ethnography. She distinguishes between articulated knowledge (what users can state) and tacit knowledge (what users know but cannot easily articulate), highlighting the role of skilled questioning in surfacing the latter. The lecture then details three interview structures: structured (fixed questions, comparable data), semi-structured (topic guide with probing flexibility, most common in design research), and unstructured (open conversation for early exploration). The choice of structure should align with the research question and the known territory. The core of the lecture is dedicated to crafting effective questions: open vs. closed, avoiding leading, double-barreled, and double-negative questions, and grounding questions in concrete experiences. The instructor emphasizes the importance of active listening and building rapport through verbal and non-verbal cues such as echoing, nodding, and eye contact. Finally, the lecture outlines the limitations of interviews, including the say-do gap, memory bias, social desirability, and lack of generalizability, and provides a step-by-step process for conducting interviews from goal definition to analysis.

196 words

Critical Evaluation

Value of the Information & Strength of the Argument

The lecture provides high practical value for students and practitioners of user research. It offers a clear, actionable framework for designing and conducting interviews, with concrete examples of good and bad questions. The argumentation is solid, systematically building from definitions to structures, question design, and execution. The instructor effectively uses the recurring example of household food waste to illustrate how each interview structure would be applied, making the concepts tangible. The emphasis on the trade-offs between comparability and depth across structures is well-argued, as is the importance of question wording in eliciting rich data. The discussion of limitations is honest and crucial for a balanced understanding of the method.

Scientific Rigor, Source Quality, Title Accuracy

The scientific rigor is high for an educational lecture. The content aligns with established qualitative research methodology, and the instructor’s expertise is evident. However, the lecture does not cite specific external sources within the spoken content, relying instead on the course’s broader curriculum. The provided links in the description point to the course page and playlist, which serve as the primary sources for the lecture series. The title ‘Lec 42: Interviewing’ is perfectly adequate, clearly indicating the topic and its place in the course sequence. No comments were provided for analysis.

215 words

Title / Content Match

The title 'Lec 42: Interviewing' accurately reflects the content, which is a focused lecture on interview methods within a user research course.

Quality & Reliability

8/10

The lecture is a well-structured academic tutorial from a recognized institution (IIT Guwahati) delivered by a professor in the field. It provides clear definitions, practical examples, and actionable guidance on interview methods. The content is consistent with established qualitative research methodology, though it lacks explicit citations to external sources within the lecture itself.

Key Moments

Markers derived by PSI from the transcript: the creator did not define chapters.

Cited Sources

Concurring Sources

Contribution & Novelties

The lecture provides a comprehensive and practical overview of interviewing as a user research method, with a strong emphasis on question design and rapport building. Its originality lies in the clear, step-by-step examples that illustrate the application of different interview structures to a single research goal, making the trade-offs tangible. The lecture also effectively bridges the gap between theoretical knowledge and practical execution, offering concrete tips for active listening and probing.

Pour aller plus loin :

  • Qualitative Interviewing — Provides a broad overview of qualitative interview methods, including types and techniques.
  • Active Listening — Explores the communication technique central to effective interviewing.
  • Tacit Knowledge — Discusses the concept of knowledge that is difficult to articulate, a key challenge in interviews.

120 words

Radar Profile

The radar profile shows high scores in quantity and quality of information, reflecting the lecture's comprehensive and well-structured content. The fiabilite_globale score is also high, indicating trustworthiness. The niveau_technique is moderate, suggesting the content is accessible to a broad audience while still providing technical depth.

Reliability 8/10