A strength of Eysenck's personality ?

-Wealth of empirical evidence through research he conducted to support ideas -Comapred 2070 prisoners to 2422 controls on his EPI, found that across all age groups prisoners were higher in measures of E, N and P. -However, more recent meta-analysis by Farrington found that offenders always scored highly on the P scale, but not also on E or N -Modern EEG research used to measure cortical arousal levels haev also found no significant differneces between E and I peopel, challenging hte physiological bias