The 2005 AHA Guidelines for CPR and ECC did note that if the rescuer was unwilling or unable to provide ventilations, the rescuer should provide chest compressions only. Hands-Only CPR or CPR with both compressions and rescue breaths.
In psychology, the Big Five personality traits are five broad domains or dimensions of personality that are used to describe human personality, otherwise described as the five-factor model (FFM). The five factors are openness, conscientiousness, extraversion, agreeableness, and neuroticism.
The theory of psychosocial development created by Erik Erikson is perhaps one of the best known personality theories. The theory differs from many others in that it addresses development across the entire lifespan, from birth through death. At each stage, the individual deals with a conflict that serves as a turning point in development.