VALIDITY AND RELIABILITY OF ENGLISH SUMMATIVE TESTS AT JUNIOR HIGH SCHOOL IN WEST BANDUNG

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.