But a psychology professor at Wake Forest University told CBS News that she disagrees with Boyle's research, saying that she finds nothing wrong with a little make believe.
"I think lie is a harsh word to use here," Deborah Best said. "I think a better way to look at it is that it's a family secret."
Best added that she finds that believing in Santa Claus works as a way to reward good behavior, and it promotes spreading generosity and joy.
"I think most children are disappointed when they find out that their parents are Santa Claus," she told CBS News. "They're disappointed in the magic going away, but I'm not so sure that they're angry at their parents about lying. I don't think I've ever heard that. It's more of a loss of that magical part of childhood."
Best and Mona Delahooke, a pediatric psychologist specializing in early child development, told CBS that they agree with the research saying that presenting Santa as an all-seeing authority is wrong.
Read more at CBS News.