Construction and Validation of Achievement Test in Science

Achievement test is tool for teachers for evaluation of students in school situation. It is a test of knowledge based on something learned. The main purpose of an achievement test is to determine ones knowledge in a particular subject. It helps in measuring the amount of success of an individual in specific field. In school environment it is used as an instrument to measure success of an individual in particular subject or group of subjects. It gives the knowledge about what an individual acquire by testing his abilities. The present study was conducted with the purpose to construct and validate an Achievement test in Science for VIII grade students. The test consisted of 141 items covering all aspects of Science text-book of standard VIII prescribed by JKBOSE (J & K Board of School education). After doing rigorous item analysis, 100 items were retained in the final version of the test. Test-retest reliability was calculated and value of coefficient of correlation was found to be 0.82. Validity of the achievement test was established by Content validity method.