According to v. o. key, jr., what were the conclusions from the voting study literature about why people vote as they do?

The conclusion of V.O. Key, Jr., about the voting study literature or the electoral behavior is that it gives a vivid impression of the variety and subtlety of factors that enter into individual voting decisions. He, V.O. Key, Jr., also discuss about the theories on how voters behave become important because candidates and their advisers are aware of them, and act as if voters' behavior conforms to the theories.