Observational Studies and Experimental Studies

Research studies can be divided into two types: observational studies and experimental studies. Observational studies simply observe the effect of a variable in a population. They can assess the strength of a relationship, for instance between dietary factors and disease. Are vegetarians less likely to develop cancer? Are patients treated with a new diabetes drug

Cognitive Traps

In my recent review of Peter Palmieri’s book Suffer the Children I said I would later try to cover some of the many other important issues he brings up. One of the themes in the book is the process of critical thinking and the various cognitive traps doctors fall into. I will address some of

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