Predictive Validity of Kasetsart Basic Academic Skills Test (KBAST)

Abstract

This research aimed to (1) study the predictive validity of the Kasetsart Basic Academic Skills Test (KBAST) (2) study the relationship between of the KBAST scores in reading, spelling, and sentence comprehension, with achievement scores in Thai language subject, and (3) study the relationship of the KBAST scores in mathematical calculation with achievement scores in Math subject. The participants were 152 students, second to fourth grade, by purposive sampling. The instruments were KBAST and academic achievement report. The data was analyzed by using single-linear regression and correlation analysis. The results found that (1) The Kasetsart Basic Academic Skills Test (KBAST) has a predictive validity lower than the specified criteria significantly., (2) the KBAST scores in word reading, spelling, and sentence comprehension correlate to achievement scores in Thai language subject with statistical significantly, and (3) the KBAST scores in mathematical calculation correlate to achievement scores in Math subject with no statistical significantly.