Observation refers to researchers according to certain objective and outline of the study or observation, with their own senses and supporting tools to directly observe the object of study, and a method of obtaining information
According to the researchers observed refers to certain research purpose, outline or observation sheets, with their own senses and aids to direct observation of the study was to obtain information on a method of
Observation is the study of a certain research purposes, research outline or observation table, with their senses and auxiliary tools to directly observe the object of study, so as to obtain a method of information