Describe the philosophies (the nine "isms") which influenced the following schools of psychology and the nature of that influence: Voluntarism, structuralism, functionalism, behaviorism, and gestalt psychology

All the philosophy are given below.

Explanation:

Voluntarism is the theory or philosophy that God or the ultimate nature of reality is to be conceived as some form of will. Behaviorism, also known as behavioral psychology, is a theory of learning based on the idea that all behaviors are acquired through conditioning.

Structuralism is the intellectual movement that associated with the Western conversation of Levi-Strauss, Marx, and Althusser.

Functionalism is a theory or philosophy that is based on the premise that all aspects of a society institutions, roles, norms, etc which serve a purpose  for the long-term survival of the society.

Gestalt psychology is a philosophy or school of thought that looks at both the human mind and behavior.