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.
Nuclear family â a family consisting of an adult male and female with one or more children (including adopted) Polygamy â a marriage involving two or more wives or husbands. Reconstituted family (blended family) â a family formed out of another relationship, otherwise known as a step-family