“Shared Physical Custody: Summary of 40 Studies on Outcomes for Children”
Nielsen, Linda. Journal of Divorce & Remarriage, 2014. DOI: 10.1080/10502556.2014.965578.

Abstract: “One of the most complex and compelling issues confronting policymakers, parents, and professionals involved in making custody decisions is this: What type of parenting plan is most beneficial for the children after their parents separate? More specifically, are the outcomes any better or worse for children who live with each parent at least 35 percent of the time compared to children who live primarily with their mother and spend less than 35 percent of the time living with their father? This article addresses this question by summarizing the 40 studies that have compared children in these two types of families during the past 25 years. Overall the children in shared parenting families had better outcomes on measures of emotional, behavioral, and psychological well-being, as well as better physical health and better relationships with their fathers and their mothers, benefits that remained even when there were high levels of conflict between their parents.”