What are the factors used to determine the best interests of the children of a separated parent?

In One v. One [2000] B.C.S.C. 1584, Burnyeat, J. at para. 24, listed twelve factors which have been reviewed in deciding what is in the best interests of the children. Those factors are: 1) Parenting capabilities of and children’s relationship with parents and new partners 2) Employment security and prospects of each spouse and, where appropriate, their partner 3) Access to and support of extended family 4) Difficulty of exercising proposed access and quality of proposed access if move is allowed 5) Effect upon children’s academic situation 6) Psychological/emotional well-being of the children 7) Disruption of children’s existing social and community support and routines. 8) Desirability of the proposed new family unit for children 9) Relative parenting capabilities of either parent and respective ability to discharge their parenting responsibilities 10) Children’s relationship with both parents 11) Separation of siblings 12) Retraining/educational opportunities for the moving parent