Abstract:
This study investigated the application of blended learning method by means of WhatsApp group (WAG) to enhance students’ vocabulary mastery. This study used case study to investigate the steps of implementation a blended learning in teaching vocabulary learning, to find out the teacher perception of blended learning via WA Group to improve students’ vocabulary mastery and to figure out the students’ responses toward blended learning method through WhatsApp group to improve students’ vocabulary skill. The participants were chosen purposively, consisting of a lecturer and the tenth grade students of Vocational School in Tasikmalaya consisting of ten students. Three research instruments used were observation data, interview, and the questionnaire. To assess the data instruments, the writer interpreted the results by means of triangulation as from Cresswell (2012, p. 536). The findings showed that the implementation a blended learning consists of planing, designing, implementation, and reviewing. The findings also revealed that the advancement of blended learning for the teacher is easy to give teaching instructions. It provides material, assignments and online discussion and for the students to easily access the teaching materials that have been given by their teacher. The findings also showed that the students enjoyed learning the proposed blended learning strategy in teaching vocabulary as it allows them to work independently at their own pace and bad Internet access often hinder the success of the method.
