The Development of Mathematics Criterion-Referenced Test on the Integers for Matthayom Suksa 1 Students

Abstract

The purposes of this research were : 1) to develop the Mathematics Criterion-Referenced test on the Integers, 2) to validate the Mathematics Criterion-Referenced test on the Integers, and 3) to determine the cutting point scores of the Mathematics Criterion-Referenced test on the Integers. Samples of the research were 732 for Matthayom Suksa 1 students in 2560 academic year of schools under the Secondary Educational Service Area Office 29. Samples were selected by multi-stages random sampling. Instrument used in collecting data were four sets of the Mathematics Criterion-Referenced test on the Integers. The tests were developed and verified for the content validity by the experts. There were three try-outs to test for the reliability. The first and the second try-out were for selecting and developing the test using the B-Index program to evaluate the difficulty and discrimination. The third try-out used Caver’s method to evaluate the construct validity, Lovett’s method for reliability, and Berk’s method to determine the cutting point scores.

            The research findings were as follows:

1. The Mathematics Criterion-Referenced test on the Integers for students in Matthayom Suksa 1 was developed into four sets. Set one was the Integers and the Integer Comparison for 16 items, set two was the Adding and Subtracting Integers for 24 items, set three was the Multiplication and division of Integers for 20 items, and set four was the Properties of Integers for 10 items.
2. Results on the analysis of the index of item objective congruence found that all four sets of the test indicated the content validity from 0.80 to 1.00, the discrimination 0.20 to 0.79, the difficulty from 0.31 to 0.83, the construct validity from 0.90 to 0.98, and the reliability from 0.78 to 0.93.
3. Results on determining the cutting point scores for the Mathematics Criterion-Referenced test indicated the cutting point scores of all four sets were 10, 14, 11, and 6, respectively. The percentages were 55.00-62.50 of the total scores.