This booklet was designed to help teacher education students identify and explain certain basic principles of educational measurement and apply them to the development of a valid and reliable assessment program that measures the achievement of a set of educational objectives from a curriculum that they teach. It is intended for use in the Sydney (Australia) College of Advanced Education to prepare teachers of technical and adult education. The booklet in organized under five topics. Topic 1 presents an overview of measuring educational achievement in technical and adult further education, while Topic 2 covers two principles of achievement testing: reliability and validity. In Topic 3, future teachers are shown how to plan an assessment program. Topics 4 and 5 cover constructing tests and treatment of test results. Each topic is accompanied by questions for discussion and/or student exercises. Each topic is also accompanied by a set of references and further reading. Sample tests are included in appendixes to the report. (KC)