Life chances such additional factors as social mobility and social equality. Other factors include those related to one's socioeconomic status, such as gender, race, and ethnicity. While some of those factors, like age, race or gender, are random, Weber stressed the link between life chances and the non-random elements of the three-component theory of stratification – how social class, social status and political affiliation affect each individual's life. In other words, individuals in certain groups have in common a specific causal component of their life chances: they are in similar situation, which tends to imply a similar outcome to their actions. Weber
High jump jumpers have a jump-off, beginning at the next greater height. Each jumper has one attempt. The bar is then alternately lowered and raised until only one jumper succeeds at a given height. The first recorded high jump event took place in Scotland in the 19th century. Early jumpers used either an elaborate straight-on approach or a scissors technique. In latter years, soon then after, the bar was approached diagonally, and the jumper threw first the inside leg and then the other over the bar in a scissoring motion. Around the turn of the 20th century, techniques began to change, beginning