Educational achievement is a very important issue for parents, teachers, and the government. An accurate measurement plays a very important role in evaluating achievement fairly, and, therefore, analysis methods have been developed considerably in recent years. Education based on long-time learning processes forms a fruitful base for item tests,…

Most educational researchers have heard the adage, "If you want to measure change in performance, don't change the measure." At the same time, however, what students need to know and be able to do may change over time as research on teaching and learning provides new insights into the educational process, science and technology advance, and…

This literature review focuses on approaches to measuring and improving the self-concept of young children with special needs. Two particular models dominate the debate on the self-concept construct: the perceptual model (in which self-concept is equated with a self-description formed during the preschool years) and an operational model (in which…