Graphology effectiveness to predict personality and job performance. Recent studies testing the validity of using handwriting for predicting personality traits and job performance have been consistently negative. In a 1987 study, graphologists were unable to predict scores on the Eysenck Personality Questionnaire using writing samples from the same people. In a 1988 study, graphologists were unable to predict scores on the Myers-Briggs test using writing samples from the same people. A 1982 meta-analysis drawn from over 200 studies concludes that graphologists were generally unable to predict any kind of personality trait on any personality test. Measures of job performance appear similarly
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,