3. Personal Study and Study Groups: Studying both independently and in research categories will give the person the best chance. The research group can help encourage the person to proceed learning, even when he or she is becoming disappointed. However, research categories depend on several people assign a a chance to come together. This can be challenging when people involved have active plans or are not efficient. These cards can be used in research categories, or people can even use them by putting them on such things as showcases or their appliances to test themselves while at home.