In Piaget\u27s theory, concrete operational reasoning is characterized by patterns of serial ordering, simple classification, conservation reasoning, and other operations applied to objects that a person is able to observe or manipulate directly. Formal reasoning patterns include these operations but go beyond them to utilize other processes in situations where one does not deal with tangible objects. Formal patterns often involve proportional reasoning, separation of variables, and combinatorial reasoning. The film Formal Reasoning Patterns Davidson Films, 1976) will enable you to watch two interviews (Dr. Karplus and Dr. Peterson) working with several secondary school students who exhibit concrete or formal operational reasoning pattern...