Original sentence: Many people use the term to refer to an idealized, systematic approach that is supposed to characterize all scientific investigation, and which is regarded as a paradigm for investigtion in general.The scientific method is the way scientists investigate the world and produce knowledge about it
Edited sentence: Many use the term to refer to an idealized, systematic approach that is supposed to characterize all scientific investigation.The scientific method is the way in which many, including scientists, investigate the world and produce knowledge about it