Exploring the Accuracy of School-based English Test Items for Grade-11.

      Аннотация: This is a book of success for all people valuing educational assessment and measurement. Within the same book, the readers will fetch knowledge on how to use modern software for assessing learning achievement of students. The book englobes different methods of preparing, entrying, and analyzing the data from the test or survey. The best techniques of testing the validity and reliability of research instruments, depending on the type of the tool, are tailored in this book. To ensure the progress of anys educational system, it is highly recommended to read this book. More than three statistics software are well used and explained.

Ключевые слова: accuracy, difficulty level, discrimination power, distractor, IRT, slope, Theta