An Error Analysis of Diphthong Found in English Conversation in Speaking in Formal Setting Class in English Education Program of Universitas Muhammadiyah Purworejo in the Academic Year of 2015/2016

Abstract

This thesis is a study about an error analysis of diphthong found in English conversation in speaking in formal setting class in English education program of Universitas Muhammadiyah Purworejo in the academic year of 2015/2016. The student may have problems to pronounce the word in speaking especially in English diphthongs correctly. The researcher formulates the problem as follow: (1) kinds of diphthong errors found in English conversation in speaking in formal setting class of Muhammadiyah University of Purworejo and (2) the causes of students errors. The researcher took the fourth semester students of Muhammadiyah University of Purworejo, especially 4A class of English education program as the sample. She conducted the research during two meetings. In collecting data, she record the students activity in speaking in formal setting class with the theme that was given by the lecturer. The step of collecting the data are identifying, categorizing, evaluating, and drawing the conclusion. There are seven types of diphthong that is students make error. They are [eɪ], [aɪ], [aʊ], [oʊ], [əʊ], [eə], and [iə]. The percentage of diphtong error [eɪ] is 30.8%. The percentage of diphtong error [əʊ] is 23.3%. The percentage of diphtong error [oʊ] is 14.4%. The percentage of diphtong error [aɪ] is 13%. The percentage of diphtong error [aʊ] is 10.3%. The percentage of diphtong error [eə] is is 5.5%. The percentage of diphtong error [iə] is 2.7%. There are two causes of making error. They are interlingual and intralingual. The example of interlingual is “how” as [hoʊ] and the correct pronunciation is [haʊ]. Then, the example of intralingual is “education”as [ˌed.jʊˈke.ʃ ə n] and the correct pronunciation is [ˌed.jʊˈkeɪ.ʃ ə n].