“…Indeed, higher moral maturity scores on the MJI are related to higher mental age (Campagna & Harter, 1975), verbal intelligence (Harris et al, 1976) and abstract and analytic reasoning (Arbuthnot, 1973), including for people with schizophrenia (Herron et al, 1983). Interestingly, intelligence (IQ) may be more strongly predictive of moral maturity, as assessed using the MJI, for people of below average IQ than for those above average (Kohlberg, 1969).…”