Common methods of scientific inquiry

1, observation is a basic method of scientific inquiry. Scientific observation can be directly with the naked eye, but also with the help of magnifying glasses, microscopes and other instruments, or the use of cameras, video recorders, video cameras and other tools, and sometimes need to be measured. Scientific observation should have a clear purpose; observation should be comprehensive, detailed, factual, and recorded in a timely manner; to have a plan, to be patient; to think positively, timely record; to exchange views, discussion.

2, the experimental method is the main method of biological research, is the use of specific apparatus and materials, through a purposeful, step-by-step experimental operations and observation, recording and analysis, to discover or verify the scientific conclusions. General steps: discovering and proposing problems; collecting information related to the problem; making assumptions; designing experimental programs; implementing experiments and recording; analyzing experimental phenomena; drawing conclusions.

3, investigation is one of the common methods of scientific inquiry. When investigating the first to clarify the purpose of the investigation and the object of the investigation, to develop a reasonable investigation program. Sometimes in the investigation process because the scope of the investigation is very large, it is necessary to select a part of the investigation as a sample. The investigation process should be faithfully recorded. The results of the survey should be organized and analyzed, sometimes using mathematical methods for statistics.