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.
One half cup serving of cooked kidney, black or pinto beans contain 8 grams of fiber; one half cup cooked white beans or chickpeas contain 6 grams of fiber. One half cup of cooked lentils contains 5 grams of fiber and one half cup cooked split peas contain 4 grams of fiber.