Justine wrote:
"The conclusions of this study shook me up a little over the weekend because I had heard there were studies that proved the opposite. I've been trying to find some studies to compare through google, but seems like so many sites want me to order a book or order an ebook to get a look at anything."

You are correct. Earlier studies had a different result. The problem though was that the earlier studies were put together rather shabbily. This is the first such study, of which I am aware, that was more rigorous in its design.

The other thing about this study that I am sure you noticed was the those that put together the study were, if anything, personally expecting a very different result.

I believe the journal article has references to the earlier studies.

DA Morgan