Niken Nuraini Munifa, 2201412010 (2019) An Item Analysis of English Summative Test on Difficulty Level, Discriminating Power, and Distractor Effectiveness (A Study of the Seventh Grade Students of SMP N 3 Ungaran in the Academic Year 2018/2019). Under Graduates thesis, UNNES.

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Abstract

The aim of this study is to find empirical evidence of whether or not the summative test items have good characteristic of test in terms of difficulty level, discriminating power, and distractor efficiency. This study was held in the seventh grade of SMP Negeri 3 Ungaran. The study design used in this study was Item Analysis Research. The respondent of this study are 100 students. The writer chose the top 27% for the upper group and top 27% for the lower group. Then, the data analysis used a formula from Arikunto’s theory. After conducting the research, the writer found that from 40 items, there are 15 (37.5%) acceptable items to meet the criteria of index difficulty. Besides there is 1 (2.5%) too difficult item and there are 24 (60%) unacceptable items due to easiness of the items. For the discriminating index, the writer found there are 17 (42.5%) poor items, 1 (2.5%) items has worst result, which has to be discarded, 11 (27.5%) acceptable items, and 11 (27.5%) mediocre items test. Moreover for the distractor effectiveness, the writer found there are 50 (47.67%) distracters with functioning distractor and 70 (58.33%) distracters with non-functioning distractor. In conclusion, English summative test for seventh grade of SMP N 3 Ungaran did not meet the criteria of effective and acceptable test.

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