Study: Spacing siblings makes them smarter
A new study determined that the ideal spacing between an older and younger sibling is at least two years. NBC’s Brian Williams reports.
BRIAN WILLIAMS, anchor: And while you may know a lot about the research about birth order and how it can affect your life thereafter, there is fascinating new research on birth spacing, the interval between siblings and how it can affect things like intelligence and test scores. The thinking is the more space between kids can often mean more parental attention, more reading, more supervision, especially among lower income kids, and that can mean higher academic achievement. We have linked to the study on our website tonight, that's nbcnightlynews.com. Up next here this
