Abstract: The main purpose of this article is to introduce some important fundamental concepts of quantitative research to readers especially novice researchers. It comprises types of research, definitions of quantitative research, different types and assumptions of quantitative research, when to use and not to use quantitative methods, advantages, common approaches and samples of quantitative research and common misconceptions. In addition, a set of criteria for evaluating quantitative research proposal is provided. The main focus is on the assumptions underlying the quantitative research and some of the misconceptions that many researchers have when they are conducting a research study.

Author(s): Sukamolson, Suphat, Language Institute, Chulalongkorn University