Psychology Concepts and Theories

Founder of Differential Psychology; believed psychological traits are largely inherited.

The science of the mind

The spirit of the age, time, or era psychology

Behavior reduces internal biological tensions; drive-reduction theory

The capacity to make one's own choices; debated concept in psychology

Belief that behavior is caused by antecedent factors over which individuals have no control

Known for work in psychological testing and child study

Introduced a nonverbal IQ assessment and coincided with the emerging field of child development.

The belief that an individual's own actions, choices, and efforts determine their life outcomes.

Consciousness is a continuous flowing process, and any attempt to reduce it to elements will distort it.