Credit: Willie Nordmann, flickr. Used under Creative Commons.
If you’ve ever been around a preschooler, you’re familiar with their incessant questions. It can be tempting to brush them off with a “Because I said so,” but new research shows that can hurt your credibility.
Five-year-olds and even three-year-olds can tell the difference between poor explanations and those that provide new information.
Anna Nowogrodzki, science writer 