By: Tia Ghose, LiveScience Staff Writer Published: 12/28/2012 11:28 AM EST on LiveScience Looks like Tiger Mom had it half-right: Motivation to work hard and good study techniques, not IQ, lead to better math skills, a new study shows. But there's a catch: The findings, published this month in the journal Child Development, show that keeping children's heads in the math books by force probably won't help.