Glossary N

Nonmothetic research is defined as the study of the statistical differences among large groups of subjects.
Nonnormative influences are random events that are important to an individual but do not happen to most people.
Nonobstructive hydrocephalus which is also referred to as Communicating hydrocephalus is a form of hydrocephalus produced by blockage that disrupts re-absorption of cerebrospinal fluid into the bloodstream.

Nonorganic failure to thrive refers to an infant growth disorder, caused by lack of attention and affection, that causes growth to slow dramatically or stop.

Nonoxynol-9 refers to a spermicide that has been used to prevent pregnancy and protect against sexually transmitted infections.

Nonparametric test refers to hypothesis test that does not require numerical scores and does not involve a hypothesis about specific population parameters. Moreover, Nonparametric test is a test of statistical inference that does not require any assumptions about the underlying population distributions, such as that they are normally distributed. Chi-square test for independence is an example of a Nonparametric test.
Nonparental care refers to child care arrangements in which infants and toddlers are taken care of by persons who are not their parents. Center-based care includes day care centers, Head Start programs, preschool, prekindergarten, and other early childhood programs

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