13. Try The Naked and $75 Method
This strategy, by parenting author John Rosemond, is exactly what its name suggests. For three to five days, you let your 2 year-old go naked and have a potty available at all times. The idea is that the discomfort of having urine and feces on them will motive them to use the toilet. The $75? That's to cover the carpet cleaning.
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