Question

What was William James main contribution to the field of Psychology?

Answer 1

James was also known for contributing to functionalism, one of the earliest schools of thought in psychology. His book The Principles of Psychology is considered one of the most classic and influential texts in psychology's history. He was also the brother of the noted writer Henry James and diarist Alice James.

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Answer 2

Inspired by evolutionary theory, James's theoretical perspective on psychology came to be known as functionalism, which sought causal relationships between internal states and external behaviors. In 1890 James published a highly influential, two-volume synthesis and summary of psychology, Principles of Psychology.