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.
Different cultures have a different conceptions of what it means to be a family. In some societies, the typical family is structured as a small nuclear family unit. In others, the family refers to a larger group of cousins, uncles, aunts, grandparents, etc.