An Analysis of Third Year Students of English Department Faculty Languages and Arts UNP Ability in Pronouncing Diphthong of English Words

The purposes of this study are to know how is the pronunciation of the third year
students of English department Universitas Negeri Padang in pronouncingdiphthong of English words and what diphthong that mostly mispronounced bythe students. This research is quantitative research method. The researchpopulation is the third year students; the class of 2015. There were 33 studentstaken as the research sample which selected through cluster sampling technique.
The data were collected through pronunciation test. The students were asked topronounce the list of diphthong of English words. The pronunciation was recordedthrough tape recorder. Moreover, there were 48 words in the test. The wordsrepresented eight types of diphthong. The pronunciations were analyzed by usingCambridge Advanced Learner Dictionary and also helped by two raters. Thepronunciations were transcribed in order to answer the research problems. Theresults of the study show that students’ ability in pronouncing diphthong of
English words is sufficient. In addition, the diphthongs that get the highest
percentage of mispronounced is diphthong aʊ (24,81 %) and the less one isdiphthong (2,90 %).