In an experimental study of online gamers who were present at 10:00pm one evening when the researcher started his study, the researcher selected gamers for a one-group post-test only design.

Reuben Hill's theory that provides a conceptual framework for understanding how trauma affects families is formerly known as"the course of family adjustment in the face of crisis".
Reuben studied families experiencing the stressor of departure from and a reunion with the husband because of war.