John Calvin was a minister and an author during the Reformation. He believed in predestination. This belief means that

Predestination is the belief that the fate of one's soul is predetermined before they are born.

i disagree that there is little difference between adult female development and adult male development. sociological studies comparing female and male pathways to adulthood, revelead that there are sustancial differences between them. particularly, female and male differ from timing of marriage, when they began to live with children and the likelihood of combining wife/husband and parent roles.