Bronfenbrenner's ecological model--consisting of the microsystem (setting in which the child experiences reality), the mesosystem (relationships between settings), the exosystem (situations impacting the child's development), and the larger, encompassing macrosystem--serves as the basis for a theory of sibling and stepsibling bonding. Although…

Individuals such as Mohandas Gandhi and Martin Luther King, Jr. successfully employed nonviolent strategies to attain significant political goals. Despite the implications of these achievements, psychologists rarely have studied predispositions to nonviolent behavior empirically. This study investigated the relationships among nonviolent…