Not my usual beat, but this is interesting. The Economist inveighs against the fact that psychology is dominated by a single handbook, the APA's Diagnostic and Statistic Manual of Mental Disorders. The newspaper writes, "No other major branch of medicine has such a single text, with so much power of people's lives. And that is worrying. Because in no other branch of medicine is the scientific reality underpinning the pronouncements of doctors so uncertain."
The article goes on to discuss how much psychologists know, or don't know, and what the implications are for medical science and public policy. It's easy for this to get abstract, but at the end of the day, we're talking about real people with real medical problems, and ensuring they receive safe and effective treatments.
What's the connection to the DiSC test? Okay, it's tenuous, I confess. But what started me down this path is the sentence that, "Psychiatrists have thus had to use behavior patterns as proxies for underlying problems." Now, nobody is suggesting that different DiSC styles are problematic, of course. But the whole thing got me thinking about behavior patterns and testing. I don't have much knowledge of the science or research behind psychological testing, so I found it a fascinating peek behind the curtain. Anyway, it's a good article, and worth a read.
If this has whet your appetite for more technical material on the DiSC profile, its research and validity, etc., you might enjoy the DiSC research report.