ANALYSIS OF COVARIANCE (ANCOVA)
a continued branch of the analysis of variance wherein accommodations are made with regard to the dependent variable so that…
ANDROSTENCDIONC
n. a steroid hormone that precedes the secretion of male (testosterone) and female (estrone) sex hormones. It is secreted by…
ANGER CONTROL THERAPY
a therapy that emphasizes graduated exposure to anger-provoking situations. Once exposed, the therapist models appropriate behavior and the patient uses…
ANIMAL AGGRESSION
an innate response to threat perpetrated by other organisms, and designed to preserve the species. Examples include: maternal aggression (protect…
ANIMAL LEARNING
a research paradigm in psychology that attempts to explain how animals learn and think. Studies in this paradigm are most…
ANIMATE NOUN
a noun emphasizing the idea that a living entity is capable of being an agent of action - as opposed…
ANNIHILATION
n. In psychoanalytic theory, this term refers to the complete destruction of the self. In object relations theory, this term…
ANOMALOUS STIMULUS
an external stimulus that does not seem to fit in light of the individual's current circumstances and expectations. The stimulus…
ANORTHOSCOPIC PERCEPTION
natural distortions created when a viewed stimulus is moving in a stilted or interrupted fashion. For example, when viewed through…
ANTERIOR COMMISSURE
a substantial bundle of myelinated nerve fibers that connect different parts of the brain hemispheres. The olfactory tract is also…
ANTHROPOMETRY
the empirical study of how human size and proportions tend to vary in conjunction with aging, sex, ethnicity, or culture.…
ANTICIPATION LEARNING METHOD
a learning technique that teaches the associations between subsequent words on a list. The first word is the stimulus that…
ANTIDEPRESSANTS
pi. n. One class of psychotropic drugs usually prescribed for the treatment of depression. Although the exact mechanisms of action…
ANTIPREDATOR DEFENSE
any means by which animals act to avoid predation. This can take the form of camouflage, changing colors, mimicry, or…
ANXIETY DISCHARGE
any anxiety-reducing action, behavior, or repetitive activity. The activity is associated with normal daily living and is viewed as an…
ANXIOLYTICS
n. a class of medicinal drugs used in the control of anxiety, behavioral agitation, and occasional insomnia. Formerly known as…
APOMORPHINE
n. a morphine derivative that has commonly been used as an expectorant. It has also been used to induce vomiting.