Is that despite the difficult in pinning down the cause and effect of event which is ever changing human behaviors are duplicated as can be seen from being children children parents attending school getting employmen, getting married and having children this process will continue from one generation to the other until extra -ordinary events change the pattern of behavior this. Is thus. A pattern.Which. Makes it possible to make a generalization up to a poin. Thus defined, social may allowable be reserved to as"social science