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.
Hans Eysenck refers to superordinate personality factors as types, and more specific associated traits as traits. Several pop psychology theories (e.g., Men Are From Mars, Women Are From Venus, the enneagram) rely on the idea of distinctively different types of people.