Step 1: Definition.
The interview method is a qualitative research technique where the interviewer asks questions to collect data directly from respondents.
Step 2: Features.
\begin{itemize}
\item Direct and personal contact with respondents.
\item Questions may be structured (pre-determined) or unstructured (open-ended).
\item Responses are recorded immediately for analysis.
\end{itemize}
Step 3: Importance.
Interviews provide detailed, accurate, and first-hand information about opinions, attitudes, and experiences. They are widely used in sociology, psychology, and market research.
Final Answer: \[ \boxed{\text{Interview method = face-to-face question–answer technique of data collection}} \]
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