I would like to refer you to the Ohio State University Extension Fact Sheet (Family and Consumer Sciences) on Quality Family Time, HYG-5285-95, by Treva Williams. The link is http://www.a-better-child.org/page/875110
 
This article is copyrighted and is for private use and study only. © 2005. Reprints or public distribution is prohibited without the express consent of Douglas Jacoby.