These may use numerology, graphology, palmistry (if the subject is present), and astrology. Graphology is the pseudoscientific study and analysis of handwriting in relation to human psychology. Combining phrenology with typology and graphology, he coined a global approach known as psychognomy. He was a vocal critic of graphology, which he identifies as pseudoscience similar to phrenology. Medical graphology is probably the most controversial branch of handwriting analysis. The British Psychological Society ranks graphology alongside astrology, giving them both "zero validity". Forensic Science Laboratory invited Blount to join them in London for advanced studies in graphology. He worked on the fields of astrology and graphology. Leonard's mother, Mattie, was a proponent of the pseudoscientific study of graphology and taught kindergarten. Graphology has been used clinically by European counselors and psychotherapists. Integrative graphology focuses on strokes and their relation to personality. Alfred Binet was convinced to conduct research into graphology from 1893 to 1907. Graphology was also dismissed as a pseudo-science by the skeptic James Randi in 1991. The full night, Surya decrypted her personality by studying graphology. The paraph is used in graphology analyses.