VALIDITY AND RELIABILITY OF ENGLISH SUMMATIVE TESTS AT JUNIOR HIGH SCHOOL IN WEST BANDUNG
DOI:
https://doi.org/10.22460/p2m.v2i1p77-90.167Keywords:
Validity, Reliability, English Summative TestsAbstract
ABSTRACT This study is purposed to measure the validity and reliability of English summative test items for the third grade of Junior High School in West Bandung. This research is categorized as quantitativedescriptive analysis because it is intended to describe the difficulty level, discriminating power, distracters effectiveness, validity and reliability of the English Summative Test. The finding of this study are that there are 16 items (53,33%) regarded as easy test items in difficulty level that range from 70-1.00 and 12 items (40%) of total items have satisfactory discriminating power range from 0,20-0,40. In the term of the effectiveness of distractor, 17 items (56,7%) of the distractors are poor. Therefore, this tes has easy difficulty level, satisfactory discriminating power and poor distractors. Moreover, there are 21 items (70%) of the test regarded valid because the value of correlation coefficient result is greater (>) than table value (rt) = 0.213 for the 5% level. Meanwhile, the number of correlation coefficient (r) of the test is in the amount of 0.71. The correlation number of 0.71 lies between the interval 0.70-0.90 with a high interpretation. It can be concluded that the English Summative test has good validity and high reliability. Keywords: Validity, Reliability, English Summative Tests  ABSTRAK Penelitian ini bertujuan untuk mengukur Validitas dan Reliabilitas item tes sumatif bahasa Inggris yang diujikan kepada siswa SMPN kelas tiga di Bandung Barat. Penelitian ini dikategorikan sebagai analisis deskriptif karena ini bertujuan untuk menggambarkan tingkat kesulitan, daya pembeda, efektifitas pengecoh, validitas dan reliabilitas item tes bahasa Inggris. Temuan didalam penelitian ini adalah bahwa terdapat 16 item (53,33%) dianggap sebagai tes item yang mudah didalam tingkat kesulitan dari 70-1.00 dan 12 item (40%) dari total item memiliki daya pembeda yang memuaskan dari 0,20-0,40. Kaitannya dengan epektifitas pengecoh, 17 item (56,7%) adalah pengecoh lemah. Dengan demikian, tes ini memiliki tingkat kesulitan yang mudah, daya pembeda yang memuaskan, dan pengecoh yang lemah. Selain itu, terdapat 21 item (70%) dari tes dianggap valid karena nilai dari hasil korelasi koefisiensi adalah lebih besar (>) dari nilai tabel (rt)=0,213 untuk tingkat 5%. Sementara, jumlah korelasi koefesiensi (r) dari tes adalah sejumlah 0,71. Korelasi nomor 0,71 berada diantara interval 0,70-0,90 dengan penafsiran/interpretasi tinggi. Hal ini dapat disimpulkan bahwa Tes Sumatif Bahasa Inggris memiliki validitas yang baik dan realibilitas yang tinggi.      Kata Kunci: Validitas, Reliabilitas dan Tes Sumatif Bahasa InggrisReferences
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