This document discusses assessment in education. It defines assessment as determining the extent to which educational objectives are being achieved through systematic examination of progress. The main purposes of assessment are to provide feedback to students, evaluate instructional effectiveness, and improve curriculum. There are three main types of assessment: formative assessment which monitors ongoing progress, summative assessment which evaluates learning at the end, and self-assessment. Key considerations for selecting assessment methods include objectivity, practicality, and validity. Common tools include tests, observations, interviews and rating scales. The document provides examples of different types of rating scales and outlines the steps to create an achievement test.