ZEILER, M D NEW DIMENSIONS OF THE INTERMEDIATE SIZE PROBLEM: NEITHER ABSOLUTE NOR RELATIONAL RESPONSE. [electronic resource] - Journal of experimental psychology Dec 1963 - 588-95 p. digital Publication Type: Journal Article ISSN: 0022-1015 Standard No.: 10.1037/h0046581 doi Subjects--Topical Terms: ChildDiscrimination LearningHumans