Developing english vocabulary cards for teaching english vocabulary to the fourth grade students of SD N 02 Purwoyoso Semarang.
The background of this research was based on the observation and interview that the fourth grade students of SD N 02 Purwoyoso Semarang have difficulties in mastering English vocabulary due to the lack of media used in the teaching and learning process. This reserach was Research and Development aimed to explain the learning need, the development, and the effectiveness of the product to teach English vocabulary. The subjects of this research were the fourth grade students that consisted of 40 students as experimental class and 40 students as control class. The instruments used in this research were observation guideline, interview guideline, questionnaire guideline, and test that consisted of pre-test and post-test. The data gathered were analyzed qualitatively and quantitatively. The cards developed in this research covered 5 topics and they were provided by manual book to support the implementation of the product. The results of this research are explained as follow: 1) cards development is needed since students need interesting and pleasing media that can enhance their interest and participation so they can remember and understand the materials easily; 2) The development of the product was done through the design model proposed by Borg and Gall with the following procedures: need analysis, planning, designing preliminary form of product, preliminary field testing, main product revision, main field testing, and revision. 3) English vocabulary cards is valid to be implemented in English learning process. It also can be used as an alternative aid to enhance students’ achievement in learning vocabulary.