I don't have a reference & I don't have time to look for one as I have to leave in a few minutes to pick up the pizzas for my 2 YO granddaughter's birthday party. However, I remember a study from many years ago that reported a positive correlation between the duration of the crawling stage & IQ.
Ed Edward I. Pollak, Ph.D. Professor emeritus Department of Psychology West Chester University of Pennsylvania Husband, father, grandfather, biopsychologist & bluegrass fiddler............... in approximate order of importance --- You are currently subscribed to tips as: arch...@jab.org. To unsubscribe click here: http://fsulist.frostburg.edu/u?id=13090.68da6e6e5325aa33287ff385b70df5d5&n=T&l=tips&o=11384 or send a blank email to leave-11384-13090.68da6e6e5325aa33287ff385b70df...@fsulist.frostburg.edu
