Input (grade 9): ISBN 0-87411-969-3 (paperback) Articles by B. F. Skinner Two Types of Conditioned Reflex and a Pseudo Type (1935), Journal of General Psychology, 12, 66-77.
Output (grade 9): ISBN 0-87411-969-3 (paperback) Articles by B.F. Skinner Two Types of Conditioned Reflex and a Pseudo Type (1935), Journal of General Psychology, 12, 66-77.