Psychology plays a huge role in terms of trying to understand how drivers are interacting with technology.

“We’ve found that if you talk on a cellphone while driving, the odds of getting in a crash are four times higher than if you’re not talking on the phone,” Strayer says. “That’s basically the same odds as if you are legally drunk. It doesn’t matter if it’s hands-free or not — cognitively, you’re just as distracted.“