A pivot is rarely one dramatic moment. Here is what research on 93 real founder decisions shows, the signs it's time to pivot your business, and a simple way to test a change before you commit.

Most advice says to specialize without hesitation, but the research tells a more interesting story. Here is what a 15-year study of more than 1,500 groups shows about whether you should niche down, plus a simple way to test a niche before you commit.