PRINCIPAL COMPONENT ANALYSIS
Statistically, a technique that completely reproduces an interrelationship amongst many correlated variables with a smaller number of "principle components" that…
PROPOSITION
In the field of philosophy, a proposition is anything that is either asserted or denied and is capable of being…
PSYCHOLOGICAL ASSESSMENT
Interpretation and integration of gathered data to come to a conclusion regarding the psychological and physiological state of a particular…
PSYCHOSCIENCE
A science dealing with mind, function and behavior. Also a science dealing with mental diseases and disorders and their treatment.
RANDOM SAMPLING
Selecting individuals for a study by selecting them from a larger potential group. To be random, each is chosen in…
REGRESSION EFFECT
Proclivity of a subject who scores either very high or very low on a test to perform more toward the…
REPRESENTATIVENESS HEURISTIC
Psychological term in which people judge the probability of a hypothesis by ascertaining how well the hypothesis mimics available data.…
REVERSE CAUSALITY
In determining the elements of causal relationships, frequent mistake of confusing the cause with the effect, or the converse.
SELECTIVE ATTENTION
Process whereby one pays attention only to messages that address a need or interest or are consistent with the individual's…
PRIVATE EVENT
A private event is experienced only by one person. It is described as private activity, thought or experience. It can…
PROSOCIAL BEHAVIOR
An action that is constructive, positive and beneficial to society as a whole. Prosocial behavior can benefit a single individual…
PSYCHOLOGICAL AUTOPSY
Pioneered by 1970's psychologists Shneidman and Earberow and medical examiner Murphy of the Los Angeles Suicide Prevention Center, psychological autopsy…
REGULATORY BEHAVIOR
Efforts of organisms which are aimed at achieving physiological balance by maintaining basic, primary needs.
REVERSE TOLERANCE
Generally in psychoactive drugs (especially central nervous system stimulants), the tendency of increased sensitivity in the body wherein repeated doses…