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.
Definition of modern. 1  1a : of, relating to, or characteristic of the present or the immediate past : contemporary the modern American familyb : of, relating to, or characteristic of a period extending from a relevant remote past to the present time modern history.