The SES was based on the combinatio

The SES was based on the combination of the mother’s
level of education and father’s occupation. The children
were divided into five groups based on this

ผลลัพธ์ (แอฟริกา) 1:

Die SES is gebaseer op die kombinasie van die Mother's
en Vader se beroep vlak van onderwys. Die kinders
is in vyf groepe verdeel op grond van hierdie.