A Japanese Study Compared Children Who Stayed with Their Mother

A Japanese study compared children who stayed with their mother while their fathers moved for a new job with children who moved with their mother and father for a new job. The research found that:

A) children who moved with their fathers were happiest, but the mothers were depressed.
B) the children and mothers who moved with the fathers were happiest.
C) there were no differences between the children who moved with their fathers and those that did not.
D) children who moved with their fathers were more depressed and their school achievement suffered.