Children and Divorce: What Hetherington's 25-Year Study Found
The reality is more complicated than either the alarmist version or the reassuring one. Here's what the research shows.
The conversation about children and divorce is dominated by two oversimplifications: divorce ruins kids, or kids are resilient and divorce is fine. Mavis Hetherington's 25-year longitudinal study, the largest of its kind, supports neither.
**The study**
Mavis Hetherington at the University of Virginia followed approximately 1,400 families through the 1970s, 1980s, and 1990s, observing children of divorce and matched controls through adolescence and into adulthood. The results were published across many papers and summarized in *For Better or For Worse* (2002), co-authored with John Kelly.
The headline finding: roughly 75-80% of children of divorce, observed in adulthood, function comparably to children from intact families. They have similar rates of employment, comparable adult relationship satisfaction, and similar measures of psychological adjustment. The remaining 20-25% show meaningful difficulties — but this figure is comparable to the difficulty rate in intact families experiencing high chronic conflict.
**The crucial qualifier**
Hetherington's data does not say "divorce has no effect on children." It says: divorce is one stressor among many, and outcomes depend heavily on what surrounds it. Children of high-conflict marriages who divorce often do better than children of high-conflict marriages who stay together. Children of low-conflict marriages who divorce often do worse than children of low-conflict marriages who stay together. The relevant variable is conflict exposure, not divorce per se.
This finding has been replicated in multiple subsequent studies. It is not controversial in the developmental literature.
**What predicts good outcomes**
Hetherington identified factors that consistently predicted children doing well post-divorce: low ongoing conflict between the parents (no triangulation of the child), continued meaningful relationship with both parents where possible, financial stability sustained through the transition, the absence of additional major disruptions (multiple moves, repeated remarriages), and at least one consistently engaged caregiver throughout.
What predicted bad outcomes: ongoing high conflict between divorced parents (especially if the child is used as a messenger or weapon), loss of relationship with one parent, financial collapse following the divorce, parental untreated mental health or substance issues.
**The implication for the staying-for-the-kids decision**
The phrase "staying together for the children" carries an embedded assumption — that the children are better off in an intact family. Hetherington's data complicates this. If the marriage is high-conflict and the children are exposed to that conflict, staying together may produce worse child outcomes than divorce would. If the marriage is low-conflict and the children are not exposed to significant distress, divorcing may produce worse outcomes than staying would.
The honest version of the question is: "What is the conflict exposure level for our children right now, and how would that change if we stayed versus divorced?"
**What this is not**
This is not permission to divorce without regard to children. The 20-25% of children who do have lasting difficulty after divorce represent real costs. The financial and logistical disruption of divorce often affects children meaningfully. The data does not say "divorce is neutral for kids." It says "divorce is a significant transition that produces a wide range of outcomes depending on how it's handled."
**What it is**
It's permission to think more clearly about the children-and-divorce question than the simplistic versions allow. The morally serious version of staying for the children does not ignore conflict exposure. The morally serious version of leaving does not ignore the difficulty of the transition.
**The practical guidance**
Whatever you decide, the variables Hetherington identifies are largely under your control. If you stay, address the conflict — through therapy, through structural changes, through whatever it takes to lower the children's exposure to your tension. If you leave, prioritize the post-divorce conflict level, the children's relationships with both parents, and the financial stability of the household.
Those are the variables that matter. The decision itself matters less than what you do with the variables.