Ecological fallacy

As mentioned above, several studies have found a correlation between high levels of educational attainment and higher income levels, with a propensity to consume organics (Hartman, 1997 Wilier and Yussefi, 2004). But simple interpretation of this correlation is a mistake. While one may be less surprised to find organic food on the dinner table of well-paid professors, organics are also found on the tables of motorcyclists. In order to avoid the ecological fallacy, it is important to question individual consumers, first to determine whether or not they consume organics, and then to determine whether their consumption is a... 

Power, M. and McCarty, L.S. (1997) Fallacies in ecological risk assessment practices. Environ Sci Technol, 31, A370-A375. 

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