Answer: <em>Functionalist</em>
Explanation:
Functional psychology which is also known as functionalism which tends to refers to general notion of the psychological philosophy under which one considers the behavior and mental life in regards with the active adaptation to an individual's environment. It also provides the general ground for developing theories about psychology which are not yet readily testable through experiments (controlled).
Untrustworthy because they turned their back on him.
People can make their own lawful decisions.
No. In order for a circuit to be complete it has to function.