VALIDATION OF ECOLOGY ACHIEVEMENT TEST (EAT) ON SECONDARY SCHOOL SCIENCE STUDENTS’ ACADEMIC ACHIEVEMENT IN ECOLOGY, KANO, NIGERIA: A SYSTEMATIC APPROACH

Abstract

This paper presents methodological processes of validation of Ecology Achievement Test (EAT) on Secondary School Science Students Academic Achievement in Ecology, Kano-Nigeria. Three research objectives and three research questions guided the study. A sample of Twenty SSII students were selected and pilot tested from two schools for the study and coded 1-10 for males and 11-20 for females. The instrument consists of two sections: section A consist of student personal data while section B consist of forty five minuites,30-items multiple choice objectives questions options A-E adapted from WAEC (2011-2021) past question was used. The validation was determined by five experts in biology and education for face and content validity. Corrections were made on some of the contents for editing, spellings across the items to be corrected include: researcher’s salutation, address and coding of participants for easy identification. Lawshe’s

method and Scale items content validity (S-ICV/average) method was used to determine Content Validity Ratio (CVR) and Content Validity Index (CVI). Test re-test method was used for reliability and Pearson Product Moment Correlation Coefficient (PPMC) was used for data analyses using SPSS Ver.20 at probability of 0.05% level of significance. Result of EAT for CVR and CVI was +1.00 on the instrument indicating perfect level of agreement among the panel of judges while reliability of EAT was found to be 0.81. Based on these validity and reliability estimates, it was concluded that EAT is valid, reliable and can be used as data collecting instrument for ecology