Graphology pharmacological therapeutic agents. The study of these phenomena is a by-product of researchers investigating motor control processes and the interaction of nervous, anatomical, and biomechanical systems of the body. "The Vanguard Code of Ethical Practice", amongst others, prohibits medical diagnosis by those not licensed to do diagnosis in the state in which they practice. This is the pseudoscience of changing a person's handwriting with the goal of changing features of his or her personality, or "handwriting analysis in reverse." It originated in France during the 1930s, spreading to the United States in the late 1950s. The purported therapy consists of
Graphology work performance, aptitudes, or personality. Graphology thus fails according to the standards a genuine psychological test must pass before it can ethically be released for use on an unsuspecting public.<br><br> Dean found that no particular school of graphology fared better than any other... In fact, no graphologist of any stripe was able to show reliably better performance than untrained amateurs making guesses from the same materials. In the vast majority of studies, neither group exceeded chance expectancy. Dunning concludes:Other divining techniques like iridology, phrenology, palmistry, and astrology also have differing schools of thought, require years of training, offer expensive certifications,