DEVELOPMENT OF AN ACHIEVEMENT TEST FOR THE GENERAL EDUCATION COURSE

Sureeporn  Panyangam; Nutthapat  Kaewrattanapat; Marndarath  Suksanga

Sureeporn Panyangam Faculty of Humanities and Social Sciences, Suan Sunandha Rajabhat University, Thailand
Nutthapat Kaewrattanapat Faculty of Humanities and Social Sciences, Suan Sunandha Rajabhat University, Thailand
Marndarath Suksanga College of Politics and Governance, Suan Sunandha Rajabhat University, Thailand

Keywords: Achievement Test, Survival Science Course (GEN0117)

Abstract

Abstract—This research study focuses on the development of an achievement test for the general education course GEN0117 ( Survival Science ) . The development process involved the following steps : 1) Content Validity Analysis using the IOC ( Index of Item Objective Congruence) value calculated from the opinions of 3 experts on 80 initial items; 2 ) Item Analysis to determine the difficulty index (p) and the discrimination index (r); and 3 ) Reliability Analysis using the KR-20 (Kuder-Richardson Formula 20) to select items meeting standard criteria for the item bank. A trial run was conducted on a sample group of 400 students using a 60 -item test. Data analysis, based on comparing the top 27% (approximately 108 students) as the High Group (H) and the bottom 27 % (approximately 108 students ) as the Low Group (L), revealed that the difficulty index ( p) ranged from 0 . 31 to 1 . 00, indicating the items ranged from moderately difficult to moderately easy. The discrimination index (r) ranged from 0.00 to 0.83, suggesting the items had low to acceptable discriminatory power . The KR -20 reliability coefficient for the achievement test was found to be 0 . 646, which means the test set is at an acceptable level for measuring student learning achievement.