UW News
Rachel Horton
September 20, 2018
Even toddlers weigh risks, rewards when making choices
![A University of Washington study finds that young toddlers conduct a form of cost-benefit analysis in deciding whether to help someone. Photo of blocks at an infant's feet.](https://uw-s3-cdn.s3.us-west-2.amazonaws.com/wp-content/uploads/sites/6/2018/09/17163213/cost-benefit-analysis-block-2-150x150.jpg)
A University of Washington study finds that 18-month-old toddlers conduct a form of cost-benefit analysis, making choices based on how much effort they want to expend, or on whether they like the people involved.