What has puzzled many in recent years is that some relatively wealthy, religious, cultured and educated persons in Malaysia are also capable of physical and sexual violence, even against members of their families or households.

In the second of a three-part series , psychologist Dr Edward Chan explains that a high intelligence quotient (IQ) may not necessarily be accompanied by equally high emotional quotient (EQ), and that the discrepancy between high IQ and low EQ could be psychologically destabilising.