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
What Is This? following week. The group decided to change their name to the Red Hot Chili Peppers, played several more shows at various L.A. clubs and musical venues, and eventually recorded a demo tape, all while Slovak and Irons were still playing with What Is This?. A few months later, What Is This received a record deal with MCA Records and the Red Hot Chili Peppers received a joint deal with EMI America and Enigma Records. Hillel Slovak and Jack Irons decided to leave the Red Hot Chili Peppers and stay with What Is This? as the latter was their primary musical