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a personality trait marked by an inflated sense of importance, a need for attention and admiration, a sense of entitlement, and a tendency to exploit others.


the science that studies behavior and the physiological and mental processes that underlie it, and it is the profession that applies the accumulated knowledge of this science to practical problems.


any overt (observable) response or activity by an organism.

Clinical Psychology

the branch of psychology concerned with the diagnosis and treatment of psychological problems and disorders


refers to the psychological processes through which people manage or cope with the demands and challenges of everyday life.


the premise that knowledge should be acquire through observation.


is a research method in which the investigator manipulates one (independent) variable under carefully controlled conditions and observes whether any changes occur in a second (dependent) variable as a result.

Independent Variable

a condition or event that an experimenter varies in orders to see its impact on another variable.

Dependent Variable

the variable that is thought to be affected by the manipulations of the independent variable.

Experimental Group

consists of the subjects who receive some special treatment in regard to the independent variable.


exists when two variables are related to each other.

Correlation Coefficient

a numerical index of the degree of relationship that exists between two variables.

Naturalistic Observation

A researcher engages in careful observation of behavior or without intervening directly with the subjects.


Is a in-depth investigation of an individual subject.

Subjective well-being

individuals' personal assessments of their overall happiness or life satisfaction.

Affective Forecasting

efforts to predict one's emotional reactions to future events.

Hedonic Adaption

occurs when the mental scale that people use to judge the pleasantness- unpleasantness of their experiences shifts so that their neutral point, or baseline for comparison, is changed.


continued rehearsal of material after you have first appeared to master it.

Mnemonic Devices

strategies for enhancing memory.

Control group

consist of similar subjects who do not receive the special treatment given to the experimental group.


structured questionnaires designed to solicit information about specific aspects of participants' behavior.

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