Ten-year-old Sandy's older sister Morgan excludes Sandy from playing games with her and her friends when the friends come to their house to play.Morgan's treatment of Sandy is an example of

A) ostracism.
B) narcissism.
C) autonomy needs.
D) chain migration.

Ostracism

The act of excluding or ignoring someone from a group or society either physically or socially.

Autonomy Needs

The psychological requirement for personal independence and self-determination.

Chain Migration

A term used to describe the social process by which immigrants from a particular town follow others from that town to a particular city or neighborhood, whether in the same country or abroad.