Clark Leonard Hull

No biography available.

Works (6)

Cover of Hypnosis and suggestibility

Hypnosis and suggestibility

Cover of Principles of behavior

Principles of behavior

Cover of Aptitude testing

Aptitude testing

Cover of The influence of tobacco smoking on mental and motor efficiency

The influence of tobacco smoking on mental and motor efficiency

Cover of Mechanisms of adaptive behavior

Mechanisms of adaptive behavior

Cover of A behavior system

A behavior system