Characteristics of non-compulsory mathematics test items on nationally standardized school examination in Kaimana Regency, West Papua Indonesia

Abstract

Nationally Standardized School Examination result is used as a students' graduation requirement. Therefore, it is absolutely necessary that its test items must be well constructed to assess. The aim of this study was to describe the characteristics of non-compulsory mathematics test items on Nationally Standardized School Examination of senior high school in Kaimana Regency, West Papua based on the items analysis. This study was a descriptive exploratory type of quantitative research. Data obtained from a set of Non-compulsory Mathematics test items including documentation of students' answers of the following test items on Nationally Standardized School Examination of senior high school in Kaimana Regency, West Papua. A set of this test item was validated by 5 experts and analyzed by applying Classical Test Theory. Results showed that the content validity was valid for 0.9 as the average of index Aiken. The reliability of test items was in less reliable level. The items difficulty indicated that 29 items (85.3%) were hard and 5 items (14.7%) were moderate. The value of items discrimination index for 12 items (53.3%) were classified as good and 22 items (64.7%) were poor. For multiple-choice items, the distractor was made by the developer, worked effectively.