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.
families. 1  1 : a social group made up of parents and their children. 2  2 : a group of people who come from the same ancestor You resemble your mother's side of the family. 3  3 : a group of people living together : household.  4 : a group of things sharing certain characteristics a family of languages.