This document discusses measurement, evaluation, and tests in physical education. It defines these terms and explains their interrelationship. Measurement involves using tests to collect quantitative data about traits, while evaluation judges the worth of those measurements. Tests are tools used for measurement. The document also discusses the need for and modern trends in measurement and evaluation, such as increased accountability, emphasis on health-related fitness, and more sophisticated instruments. It explains how measurement and evaluation are important for setting objectives, assessing achievement, research, and responding to current issues in physical education.