
An important question to ask when interpreting scientific research is: Does the association between variables represent a cause-effect relationship? This article is the second in a two-part series presenting the methodological issues confronting researchers who seek to identify a causal relationship between pathological gambling (PG) and suicide. As in the first part of this series, we hope to convey to readers the importance of reading research studies with a clear understanding and healthy skepticism of study methodology in order to better evaluate scientific evidence. The previous issue of the WAGER discussed how methodological problems such as bias (i.e., systematic error)... Read more →