AREA SAMPLING

one of many methods of selecting individuals for research. Generally, specific neighborhoods, streets, homes, or other geographic areas are designated in advance as...

ARISTOTELIAN METHOD

refers to an approach to knowledge emphasizing deductive (i.e., not primarily empirical) procedures - for example, deducing conclusions from similar premises.

AROMATIC

adj. in the Zwaardemaker smell system, this denotes an odor quality that may be smelled in spices and camphor.

ARPEGGIO PARADOX

the contradiction of the stimulus-response view of a chain of behavior, evidenced by the speed at which accomplished pianists play arpeggios, which represents an...

ARTHRITIS

n. any inflammation of a joint, often accompanied by pain, and muscle and bone stiffness around the affected joint. There are several identified types...

ARTIFACT IN RESEARCH

an extraneous and unintended factor affecting the results of research, especially one associated with the researcher (e.g., expectations, personality) or with the participant (e.g.,...

ASCENDING-DESCENDING SERIES

in psychophysics, this refers to two sets of stimuli

ASPERMIA

refers to the failure of the male reproductive organs to produce or emit semen. Also known as aspcrmatism.

ASSIGNMENT THERAPY

a specific technique used in group therapy to enhance group cohesiveness and communication among the participants. A sociometric test is administered to each member...

ASSOCIATION FOR THE ADVANCEMENT OF PSYCHOL

an organization founded in 1974, whose main purpose is to promote human welfare through the advancement of the profession and science of psychology. The...

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