An extensive study done at Johns Hopkins (that began in 1979) shows that white children are negatively effected by mother's that change partners/lovers while Black children seem to show no reaction (Hispanics were not included in the study).
"...White children are more likely than black children to act out if their mothers have multiple live-in lovers, an analysis by researchers at Johns Hopkins University in Baltimore shows.
The report, published in the upcoming April issue of the American Sociological Review, found a connection between such family changes and behavior problems, but only in white children.
The two-generation study of a nationally representative sample of 1,965 mothers and their 3,392 kids examined data from 1979, when the mothers were adolescents, and from 2000, when the mothers were adults and their children were ages 5-14. The mothers reported behavior problems about their children, and kids ages 10-14 reported details of delinquent behaviors such as vandalism, theft and skipping school.
Sociologists Andrew Cherlin and Paula Fomby found that children who experienced three to four transitions by age 14, such as a move in or out by a parent or a parent's romantic partner, had more behavioral problems, such as acting out or aggressive behavior, than those who had no transitions.
"A stable one-parent home is preferable to a home in which lots of parents and partners move in and out," he says. And "if a single parent brings in a partner and their relationship stays intact, kids can do well. It's the multiple partners and the speed with which we sometimes go through cohabiting partners that we think causes the problem." (source)
Can someone tell me who funds studies like these that end up confirming what anyone with a dash of common sense could have told them for free? How much did a 28 year study cost?
...Remember all those studies that showed the high percentage of "live-in boyfriends" that end up being the sexual abuser of the children in the home --maybe this study should have looked deeper to find why the behavior took a turn for the worse...