dc.description.abstract | Speaking is one of the skills in English that is mostly done in daily activities. In speaking, it was believed that there is a mental device inside human’s mind that has function to monitor his/her utterances. The purpose of this research was to investigate and classify the students’ monitor performance of SMAN 4 Jember in their speaking. The research design was Descriptive Research. The area of this research was chosen purposively. Meanwhile, the research respondents were chosen by using proportional random sampling method. The data were collected by using, interview, speaking test, questionnaire, and documentation. The result of this research revealed that 71,88% of research respondents were classified as monitor over-user, 21,88% of them were classified as monitor optimal-user, and 6,25% of them were classified as monitor under-user. It indicated that most of eleventh grade students at SMAN 4 Jember over used their monitor in speaking English. | en_US |