Non-parametric significance tests for two dependent samples are used when the researcher wants to study correlated, or matched, samples. This includes the before-after effect and matched paired studies:. McNemarâs test, Test of Marginal Homogeneity, the Sign test, and Wilcoxonâs signed rank test.
The modern family is a smaller family. It is no longer a joint family. Moreover the tendency is to have a smaller family and the contraceptives help in checking the birth.
For other uses, see American Family. An American family composed of the mother, father, children, and extended family. The traditional family structure in the United States is considered a family support system involving two married individuals providing care and stability for their biological offspring.