How the Minnesota “Reasonable Preference” Factor Has Changed. A child’s wishes are one of the twelve factors. In Minnesota, judges decide contested custody matters. (Minn. Stat. Child custody is based on “the best interests of the child” standard. In Minnesota, child custody determinations are made by determining what is best for the child. Courts are focused on protecting a child’s safety and well-being, so parental desires will always be a secondary consideration. The court has to consider and evaluate when determining child custody. 518.17) This standard is a set of 12 factors. ... consider the child’s wishes to the extent that the child is sufficiently mature to express reasoned and independent preferences as … As with much of the Minnesota “best interests” statute, the factor dealing with children's preferences as to custody has changed. Minnesota statutes §518.166 provides that a Judge may interview the child in chambers to ascertain the child's reasonable preference as to custodian, if the court deems the child to be of sufficient age to express preference. Minnesota child custody attorneys provide answers to frequently asked questions with regards to Minnesota child custody and Minnesota custody laws.