A psychologist has teamed up with an online ticket company to formulate what makes the perfect getaway — and it could mean leaving your smartphone at home. “Kids are very proficient at using mouses, screens, or clicking onto things,” Dr. David Holmes of the U.K. told ABC News on Monday. “The tendency is that their attention spans have been reduced. In order to have good family interaction, you have to kind of limit, or put a ban on using ...