All fields of human endeavor use measurement in some form, and each field has its own set of measuring tools and measuring units.Testing and Assessment The roots of contemporary psychological testing and assessment can be found in early twentieth-century France.Psychological Testing and Assessment Defined The world's receptivity to Binet's test in the early twentieth century spawned not only more tests but more test developers, more test publishers, more test users, and theAs a student of psychological measurement, you need a working familiarity with some of the commonly used units of measure in psychology and a knowledge of some of the many measuring tools employed.In 1905, Alfred Binet and a colleague published a test designed to help place Paris schoolchildren in appropriate classes.Following the war, more and more tests purporting to measure an ever-widening array of psychological variables were developed and used.If you've been shopping for a computer, you may have learned something about a unit of measurement called a byte.