 Complete the following phrase:  Early infanticidal childrearing is a term used in the study of psychohistory that refers to infanticide in paleolithic, pre-historical, and historical hunter-gatherer tribes or societies. Early means early in history or in the cultural development of a society, not to the age of the child. Infanticidal refers to the high incidence of infants killed when compared to modern nations. The model was developed by Lloyd deMause within the framework of psychohistory as part of a seven-stage sequence of childrearing modes that describe the development attitudes towards children in human cultures The word early distinguishes the term from late infanticidal childrearing, identified by deMause in the more established, 