"Both were carefully done and highly reputable studies, and the true prevalence is probably somewhere in between these two estimates," says Harris.

Every reputable study has shown that there is no magic for Medicare in managed care.

And by the 1920's, "reputable studies" began challenging anxieties about onlies.

There are a number of reputable studies that demonstrate a link between lower intelligence and criminality.

These differences can exist even between equally reputable studies and may result in health effect estimates that vary considerably.

It turns out there is one reputable study that has tried to assess whether or not luck actually does go bad on Friday the 13 th .

This latter result is currently controversial, and there have been reputable studies supporting all sides on the issue.

According to two reputable studies, the cost would be less than $20 per family per year, and there would be no negative impact on employment.

No reputable study has ever found evidence that vaccines cause autism, and the rate of poor reactions to vaccines is extremely low.

Throughout the book, each opinion is backed up by reputable studies or everyday examples.