IDNLearn.com is your go-to resource for finding precise and accurate answers. Ask anything and receive thorough, reliable answers from our community of experienced professionals.

In his book, Our Kids, Robert Putnam stated that the key variable related to upward mobility is the family. According to his research findings, the most significant family variable tied to upward mobility for kids is:
a) Non-reliance on government assistance
b) Two parent households
c) Having only one child
d) How parents discipline their kids