Current interpretations of learning data and some recent developments in stimulus-response theory / Kenneth W. Spence
Stimulus-response theory as applied to perception / Delos D. Wickens
Motivational forces underlying learning, Harry F. Harlow
The premature crystallization of learning theory / Norman R.F. Maier
Learning and explanation / Donald K. Adams
Ego psychology, cybernetics, and learning theory / O.H. Mowrer
Personality structures as learning and motivation patterns- a theme for the integration of methodologies / Raymond B. Cattell
Prospects and perspectives in psychotherapeutic theory and research / John M. Butler
Learning : an aspect of personality development / Donald Snygg
"Errors" : theory and measurement / R.B. Ammons
Some current research issues in clinical psychology / J.R. Wittenborn.