This brought late 19th century scientists to conclude that psychology must build on introspection ; thus introspectionism was born.
Kaynak: Leibniz's gap

In the United States, behaviorism arose in opposition to introspectionism and associated reaction-time research, and turned the focus of
Kaynak: Mathematical psychology

They consider behaviorist reaction to Wilhelm Wundt 's introspectionism in psychology to be merely a legitimation of these cultural
Kaynak: Biogenetic structuralism