This post is co-authored by Ron Riggio and nonverbal communication expert Alan Crawley. When and why do we clap? We get startled, and we clap. We try to get our dog’s (or our child’s) attention, and ...

If you’ve ever attended a classical concert, you’ve probably experienced that awkward, hesitant half-clapping that sometimes occurs at the end of a symphonic movement: The music stops, the hall falls ...