Stockholm University
August 30, 2017
Children who live full time with one parent are more likely to feel stressed than children in shared custody situations. The benefit holds regardless of the level of conflict between the parents or between parent and child.
https://www.sciencedaily.com/releases/2017/08/170830094228.htm
Institute for Family Studies
June 20, 2017
In the 54 studies—absent situations in which children needed protection from an abusive or negligent parent even before their parents separated—children in shared-parenting families had better outcomes than children in sole physical custody families. The measures of well-being included: academic achievement, emotional health (anxiety, depression, self-esteem, life satisfaction), behavioral problems (delinquency, school misbehavior, bullying, drugs, alcohol, smoking), physical health and stress-related illnesses, and relationships with parents, stepparents, and grandparents.
https://ifstudies.org/blog/10-surprising-findings-on-shared-parenting-after-divorce-or-separation
Psychology, Public Policy, and Law
Feb 2014
A broad consensus of accomplished researchers and practitioners agree that, in normal circumstances, the evidence supports shared residential arrangements for children under 4 years of age whose parents live apart from each other.
https://psycnet.apa.org/doiLanding?doi=10.1037%2Flaw0000005