+A **survey** is a structured method for gathering information or opinions from a defined group of individuals. It often employs [Questionnaire](/wiki/questionnaire)s or interviews to collect [Data](/wiki/data) for analysis, aiming to understand a larger population. The insights gained can inform decisions or reveal trends.
+## See also
+- [Research](/wiki/research)
+- [Statistics](/wiki/statistics)
+- [Sampling](/wiki/sampling)
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