Yes, let's start with the basics: What are the typical mistakes
people make with percentages? What is the margin of error in a
poll? It would be virtually impossible to conduct a poll on the
entire voting population in the United States. Pollsters
therefore question a sample of a population. What is the
difference between causation and correlation? One of the most
common errors we find in the press is the confusion between
correlation and causation in scientific and health-related
studies. What does it mean for a result to be “statistically
significant”? How can we tell whether two events happen at the
same time by chance, or for a reason? What is the difference
between absolute and relative risk? Which one tells you about
the actual risk ? What is the difference between controlled,
observational and case controlled studies? There are advantages
and disadvantages to each type, and an awareness of these
differences makes for a savvier consumer of public health
information. What are confounding factors and how