Glossary N

Glossary N

Noise pollution is defined as stressful and intrusive noise; often artificially generated by machinery, but also including noises made by animals and humans.

Noise-induced hearing loss refers to the damage caused by exposing the hair cells to excessively loud sounds. It is a form of sensorineural hearing loss that occurs when loud noises cause degeneration of the hair cells.

Nomenclature is a term in a naming system or Nosology that refers to the actual labels or names that are applied. In Psychopathology, these include Mood disorders and Eating disorders.

Nominal is defined as a word that labels things; a common noun.

Nominal group refers to a collection of individuals that meets only the most minimal of requirements to be considered a group, and so is a group in name only. In studies of performance, Nominal group is a control or baseline group created by having individuals work alone and then pooling their products. Likewise, Nominal group is a collection of individuals whose results are pooled but who never interact with one another.

Nominal group technique (NGT) refers to a group performance method wherein a face-to-face group session is prefaced by a nominal-group phase during which individuals work alone to generate ideas.

Nominal kind refers to the arbitrary assignment of a label to an entity that meets a certain set of prespecified conditions

Nominal measure refers to a variable whose attributes have only the characteristics of exhaustiveness and mutual exclusiveness. In other words, a level of measurement describing a variable that has attributes that are merely different, as distinguished from ordinal, interval, or ratio measures. An example of Nominal measure would be Gender.