Answer:
They refer to extroverts an neurotic individuals.
Extroverts approach rewards while Neurotic individuals avoid punishment
Step-by-step explanation:
Eysenck's theory of personality focused on two dimensions of higher-order traits, extraversion vs. introversion and emotional stability vs. neuroticism, or emotional instability. Extraverts are commonly known as being loud and outgoing while introverts are often thought of as quiet and reserved.