Infantile birth theories A infantile birth theories is a young child's answer to the question 'where do babies come from?' The navel appears to be a firm favourite.
Birth order Birth order is the order of birth of the children in a family. Psychologists have long been interested in the possible connections between birth order and personality traits but so far the evidence is slight.
Birth trauma Birth trauma is the shock of the sudden transition from the security and comfort of the womb to the harsh insecurity of the outside world. Some psychoanalysts
Crude birth rate Cross tabulation (Crosstabs) is a table illustrating the relationship between two variables, such as sex (male and female) and years of education.
Birthrate Birthrate is the number of live births per 1,000 populations in a given year. Also known as the crude birthrate.