(Psycholinguistics) psycholinguistics is a new science that is less psycholinguistics words. The first use of that focus on descriptive language of the people who speak out (Output) is divided into units of วิเคราะห์เป็น "sound unit." "morpheme".The more clear. "" the letter "," the word "and" sentence "psychological linguistics studies, divided into two groups. 1.A group of Skinner believe language behavior associated with stimulation and contingency. 2.A group of Chomsky believe that native speakers have the ability of creative language. That's brain is important, and similar to the computer to work only with the planning or set the program to make it work.Especially, is that the human brain is extracted to work tool in language. 2.5 Applied Linguistics (Applied Linguistics) Applied Linguistics Linguistics is the knowledge of linguistics different fields to use in specific areas, such as language teaching and the first teaching second language.Zoning dialect fixing bugs in the speech of patients, and translation, etc.