The 4-Hour Body - An Uncommon Guide to Rapid Fat-Loss, Incredible Sex, and Becoming Superhuman - Timothy Ferriss
will shock you. Combine that misreporting across 49,000 people and you can imagine the
will shock you. Combine that misreporting across 49,000 people and you can imagine the
rather Picasso-like picture it creates.
Granted, self-reported data can be useful, especially when recording in real time (i.e.,
recording something as it happens). This has become easier with technology that takes memory
out of the equation, such as DailyBurn's FoodScanner iPhone application and the Withings wi
scale.7
To the greatest extent possible, avoid studies that depend on after-the-fact self-reporting. Trust
your own data. Just record it when things happen.
4. IS THIS DIET STUDY CLAIMING A CONTROL GROUP?
Desirable as it may be, it is almost impossible to change just one macronutrient variable
(protein, carbohydrate, fat) in a diet study. It is therefore almost impossible to create a control
group.