Infanticidal attachment, a newly coined term by Kahr (2007), should be placed at the lowest end of the effectiveness continuum of attachment styles, as it decreases rather then increases the survival chances of a child. A child with this attachment style reaches a reduction of distress through proximity to a parent who has a wish or an intention to kill the child. A distinction is drawn between two types of parental infanticidal ideation, the symbolic and the concrete, which results in two sub-types of infanticidal attachment, and thus in different kinds of damage to the child.