Health and Medical News and Resources

General interest items edited by Janice Flahiff

For A Less Biased Study, Try Randomization

From the 13 April 2011 Medical News Today article

A new review** of existing research confirms that the so-called “gold standard” of medical research – the randomized controlled study – provides a safeguard against bias.

The researchers found that certain kinds of studies – those whose recruiters were more likely to know in which comparison group the next participant would land – had larger estimates of effects than those that whose “blinding” was considered adequate. Yet the finding does not mean such studies are inaccurate.

The findings could give researchers more insight into the pros and cons of the strategies they embrace to figure out whether one drug or treatment is better than another. While it might seem obvious that a randomized study is the most reliable option, scientists do not universally believe it is, said review lead author Jan Odgaard-Jensen. …

 

Related Resources

 

** A summary of the article may be found here

For suggestions on how to get this article for free or at low cost, click here

 

 

April 14, 2011 - Posted by | Uncategorized

No comments yet.

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s

%d bloggers like this: