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.
extended family a nuclear family and their close relatives, such as the children's grandparents, aunts, and uncles. nuclear family a family consisting of a two-generation relationship of parents and children, living together and more or less isolated from their extended family. nuclear dyad family a husband and wife with no children. family of origin the family in which a person grew up.