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
The Philadelphia study development to display any social significance. The nearly completed and most advanced changes displayed the most stability within the study and showed intermediate correlation with the middle classes. The new and vigorous changes—the focal point of the study—displayed the strongest curvilinearity and most clearly encompassed the linguistically innovative nature of the inner classes. Through these Results, Labov asserted the truth and significance of what he named the Curvilinear Principle. With the social information gathered from the interviews, he discovered that it is not the education or occupation factors that drove the middle class to spur linguistic change. Rather, it was