The SPSS Windows and Files. SPSS Statistics has three main windows, plus a menu bar at the top. These allow you to (1) see your data, (2) see your statistical output, and (3) see any programming commands you have written. Each window corresponds to a separate type of SPSS file.
He found green tea to be the most potent antioxidant, followed by oolong tea, then black tea. Green tea blocked oxidation by almost 100% over 40 days. Oolong tea blocked oxidation by 50% over 15 days. Black tea showed only slight antioxidant activities.
1 Chemicals in tea may react differently in the lab than they do in the human body. 2  Tannins (and the other good stuff in green tea) may not be bioavailable for humans, meaning tea might not always benefit human health to the same degree as in lab studies suggest. 3  All tea drinks are not created equal.