The article argues that science assessment should change from an item-driven to a construct-driven practice and pay more attention to disciplinary scientific reasoning. It investigates assessment scales developed from a novel theoretical rationale, describing scientific reasoning as three fundamental practices (hypothesizing, experimenting, and…

Monitoring Trends in Educational Growth (MTEG) offers a flexible, collaborative approach to developing and implementing an assessment of learning outcomes that yields high-quality, nationally relevant data. MTEG is a service that involves ACER staff working closely with each country to develop an assessment program that meets the country's…

Summarizes the most important results of two international studies, the Educational Careers and Psychosocial Development in Youth (ECPDY) and the Third International Mathematics and Science Study (TIMSS). Addresses the problems of measuring school achievement and determining social behavior and other attributes. (CMK)