A double-blind study is one in which neither the participants nor the experimenters know who is receiving a particular treatment. This procedure is utilized to prevent bias in research results.
Total Dietary Fiber. Kidney beans contain more total dietary fiber per serving than the seven other most commonly consumed legumes in the United States, including black-eyed peas, chickpeas, lentils and black, navy, pinto and lima beans.
Adzuki beans have 16.8 grams of fiber per cup. Boiled kidney beans are also an excellent source of fiber, with 16.5 grams per cup, as are pinto beans, with 11 grams per cup.