The way in which factors such as skills, abilities, perceptions, personalities, attitudes, values, and ethics differ from one person to the next.
Spearman of 1904
Determined General Mental Ability and it determines an individual's innate cognitive intelligence an dis the single best predictor of work performance.
Personality
A relatively stable set of characteristics that affect a person's individual behavior.
Interactional Psychology
The psychological approach that says in order to understand human behavior, we must know something about the person and the situation.
Trait Theory
The personality theory that states in order to understand individuals, we must break down behavior patterns into a series of observable traits.
Integrative Approach
The broad theory that describes personality as a composite of an individual's psychological processes, both dispositions and variables in a given situation.