Glossary E

External rotation refers to the rotary movement around the longitudinal axis of a bone away from the mid-line of the body. External rotation is also known as Rotation laterally, Outward rotation, and Lateral rotation.
External stress refers to the stress on the human system caused by an aspect outside of the body, such as the task itself, the physical environment, work-rest schedules and social relationships.

External validation is defined as the process of testing the validity of a measure, such as an index or scale, by examining its relationship to other, presumed indicators of the same variable. If the index really measures prejudice, for example, it should correlate with other indicators of prejudice.
External validity refers to the degree to which findings can be generalized or extended to people, settings, times, measures, and characteristics other than the ones in the original study.

Externality in the psychology context refers to a concept that involves the impact of external influences, often unforeseen or unintended, on an individual's thoughts, feelings, or behaviors. These influences can be both positive and negative, and they originate from factors outside of the individual's conscious control. Externality is a crucial aspect of understanding human behavior and the complex interplay between internal and external factors that shape our psychological experiences.

Externality effect is defined as the tendency of young infants, the one (1) month-olds to direct their attention primarily to the outside of a figure and to spend little time inspecting internal features.
Externalization is defined as a way to defend against the conflict caused by the discrepancy between an idealized and a real self -image by projecting the conflict into the outside world.

externalizing behavior refers to a continuous dimension of behavior that includes a mixture of impulsive, overactive, aggressive, and delinquent acts.