Psychological researchers should deal with the concrete stimulus-response principles of learning on which behavior is based, and study behaviors that are representative of real life behaviors. The present research strategy has come from two faulty ideas: first, a concern with underlying, inferred mental processes, rather than with actual tasks or…

THE OBJECTIVE OF THIS RESEARCH WAS TO EXTEND, ELABORATE, AND IMPROVE THE SET-FUNCTION LANGUAGE (SFL). THE SFL IS A NEW SCIENTIFIC LANGUAGE FOR FORMULATING RESEARCH QUESTIONS ON MEANINGFUL LEARNING, FRAMED IN TERMS OF THE MATHEMATICAL NOTIONS OF SETS AND FUNCTIONS. IN THE FIRST PAPER, THE SFL IS DESCRIBED. ITS RELATION TO THE STIMULUS RESPONSE…

In this overview of his research in personality theory, Cattell describes the play of people, situations, and, ideas enacted over 30 years in his University of Illinois laboratory. Establishing meaningful empirical measurement methods was the foundation for further research into many aspects of personality development. (BS)

SEVERAL EXPERIMENTS WITH RATS INVOLVING THE INFLUENCE OF CEREBRAL DESTRUCTION ON LEARNING ABILITY ARE DESCRIBED. THE TWO MAJOR EXPERIMENTS STUDY THE RETENTION OF THE MAZE HABIT AFTER CEREBRAL LESIONS AND THE INFLUENCE OF CEREBRAL LESIONS ON THE CAPACITY TO LEARN (INITIAL FORMATION OF HABITS). THEORECTICAL ANALYSIS OF THE LEARNING (BEHAVIOR)…