Traditional Culture Encyclopedia - Photography and portraiture - Who is Shen Lijun's husband?
Who is Shen Lijun's husband?
The common methods of scientific inquiry are observation, experiment, investigation and data analysis.
Observation is the basic method of scientific inquiry. Scientific observation can be made directly with the naked eye, with the help of magnifying glasses, microscopes and other instruments, as well as cameras, video recorders, video cameras and other tools, and sometimes measurement is needed. Scientific observation should have a clear purpose; Observation should be comprehensive, meticulous and realistic, and recorded in time; Planned and patient; Think positively and record in time; It is necessary to exchange views and discuss. The design of the experimental scheme should closely focus on the questions and assumptions raised. When studying the influence of a condition on the research object, experiments with the same conditions except this condition are called control experiments. General steps: find problems and ask questions; Collect information related to the problem; Make assumptions; Design the experimental scheme; Conduct experiments and record them; Analyze experimental phenomena; Draw a conclusion. Investigation is one of the common methods of scientific inquiry. When investigating, we must first make clear the purpose and object of the investigation and make a reasonable investigation plan. Sometimes, due to the large scope of investigation, we must select some objects as samples during the investigation. In the process of investigation, we must record it truthfully. We must sort out and analyze the survey results. Sometimes it is necessary to use mathematical methods for statistics. Collecting and analyzing data is also one of the common methods of scientific inquiry. There are many ways to collect data. Go to the library to consult books, newspapers and periodicals, visit relevant people and collect them online. The forms of data include words, pictures, data and audio-visual materials. It is necessary to sort out and analyze the obtained data, find answers and explore clues.
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