What is the test for changing a parent's behaviour in the context of child development?

Ontario, Canada

The following excerpt is from Children's Aid Society of Haldimand and Norfolk v. B.H. AND K.T., 2016 ONCJ 642 (CanLII):

[34] Child development does not wait. Multiple issues of parental dysfunction cannot be quickly changed. The child is not to be held in limbo waiting for change in a parent that is unlikely to happen. The parent’s right to correct parenting inadequacies must be balanced with the child’s right to appropriate development within a realistic time frame, if damage to the child is to be minimized. See Children’s Aid Society of Toronto v. R.H., supra, per Katarynych J., at para. [16].

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