Construction of Valid and Reliable Achievement Test for Science at grade 7th Level: Applying Item Response Theory
Keywords:Valid, Reliable, Achievement Test, Item Response Theory
Assessment is the important component in any teaching system to ensure the learning progress of students. This can be done only through good instrument. The purpose of this study was to develop a valid and reliable test of science for grade 7. The test was developed by following all the test construction steps and the alignment with national curriculum was also ensured. There were 72 item in total having nature of MCQs type questions. The test was validated by experts and then pilot on students to check its reliability.