英语单词survey是什么意思？

survey is a noun in English, which means a systematic approach to collect data or information from a group or population. It typically involves designing and distributing questionnaires, conducting interviews or observations to gather specific data or opinions. Surveys are used in various fields such as research, market analysis, social studies, and opinion polls. They provide valuable insights and help in understanding trends, preferences, or attitudes of a target audience. Surveys are essential tools for decision-making, as they aid in obtaining quantitative or qualitative data for analysis and interpretation. Conducting surveys requires careful planning, sample selection, clear questions, and appropriate data analysis methods to ensure accurate and reliable results.