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ARMED SERVICES VOCATIONAL APTITUDE BATTERY (ASVAB)

a test battery developed in 1966 by the Department of Defense for use by the U.S. military as a standardized

AROUSAL SYSTEM

a diffuse system of nerve cells that controls arousal by activating both the central nervous system and the autonomic nervous

ART THERAPY

the use of artistic activities, such as painting, jewelry making and clay modeling, in psychotherapy and sometimes in rehabilitation. The

ARTICULATION INDEX

an index used to measure speech intelligibility within a given operational environment. It reflects and measures the degree of separation

ARTIFICIALISM

the assumption that anything that exists must have been made by a conscious entity, such as God or a human

AS-IF PERSONALITY

a personality style in which the individual behaves as if he or she was well adjusted, but in fact is

ASSAULT

n. 1. a violent or vicious attack on an individual. 2. illegal conduct that occurs when an individual either attempts

ASSISTIVE TECHNOLOGY (AT)

1. the field of development concerned with the service provision of utilities that improve the functioning of individuals with disabilities.

ASSOCIATIONISTIC THEORY OF LEARNING

one of various theories that describes learning as occurring through a process of forming associations among items. These items may

ASSUMPTION

u. 1. the premise or supposition that something is a fact, therefore, this is the act of taking something for

ASTROCYTOSIS

n. a pathological condition marked by a proliferation of astrocytes, which are neuroglial cells with fibrous processes (see neuroglia). The

AT RISK

means vulnerable to an outcome, disorder, or disease. Risk status for an individual is defined by genetic, physical, social, and

ATHLETE-BASED INTERVENTION

1. an intervention that develops an athlete's perceptions, experiences, or both for the purposes of improvement in the sport. 2.

ATROPINE

n. an anticholinergic drug derived from plants, particularly from belladonna (see also belladonna alkaloids). It is also produced synthetically. Its

ATTENTION DISORDER

a disturbance characterized by an inability to maintain focus on an activity or difficulties taking notice of, responding to, or

ATTITUDE-CONGENIALITY MEMORY EFFECT

the tendency or bias to remember information that is consistent with an already-held attitude better than information that is inconsistent

ATTRIBUTION THEORY OF LEADERSHIP

a model of leadership that assumes that individuals make inferences about leadership ability by observing and interpreting different types of

ATYPICAL PERVASIVE

in the DSM-lll, this represented a category of pervasive developmental disorders. In the DSM-IV-TR these are labeled pervasive development disorders

AUDIOGRAM

a graph relating an individual who is deficient in hearing's pure- tone thresholds at selected frequencies to the normal hearing