You are asked to: exercise due diligence in ensuring the accuracy of the materials reproduced; indicate both the complete title of the materials reproduced, as well as the author organization; and indicate that the reproduction is a copy of an official work that is published by the Government of Canada and that the reproduction has not been produced in affiliation with, or with the endorsement of [...] However, custodial parents (usually mothers) were successful in almost half of the cases where they “moved first and asked permission later,” as judges took account of all of the circumstances of the case, including whether it was in the best interests of the children to face the instability of another move, this one a return to their place of previous residence. [...] While in theory the court is making a decision based on an assessment of the “best interests” of the children, in reality the judge is often choosing the “least detrimental alternative.” It is important to appreciate that the law is only involved when the custodial parent (usually the mother) wants to move (and the other parent opposes the move). [...] Warshak’s review was based on studies of the effects of relocation on children in both intact and divorced families, as well as studies on the effects of parents on the psychological development of children, the effects of parental absence, the impact of divorce, the effects of different custodial arrangements, and the effects of remarriage. [...] The study also collected data on the primary reason for the move, and interviewed the mothers of 67 of the students in the frequent mover group.