This document discusses human decision making and the factors that influence it. It outlines two types of decision making - involuntary, which are subconscious learned behaviors, and voluntary, which involve more complex thought. Voluntary decisions can be influenced by credible sources, authority figures, peers, and interpersonal needs. Making probability judgments and assessing risks and benefits are important for critical thinking in decision making. Overall, the document presents an overview of the complexity of human decision making and the many influences involved in the process.