system which includes those mental processes central to the person's ability to make meaning of experiences and take action. Emotion, memory and perception, problem solving, language, symbolic abilities, and orientation to the future all require the use of psychological processes. The psychological system provides the resources for processing information and navigating reality.
test is defined as a standardized measure of a sample of a person's behavior. Psychological test refers to a device for measuring characteristics of human beings that pertain to overt (observable) and covert (intra-individual) behavior. A Psychological test measures past, present, or future human behavior.