effects. In Roediger H. L. III (Ed.), Learning and memory: A comprehensive reference. Cognitive Psychology of Memory, 2, 65–78. Oxford: Elsevier. Hintzman, D.L. (1974). Theoretical implications of the spacing effect. Theories in Cognitive Psychology: The Loyola Symposium. Oxford, England: Lawrence Erlbaum. External links Ebbinghaus, Hermann (1885). Memory: A Contribution to Experimental Psychology Gary Wolf. 2008 April 21. Wired. 16.05. Want to Remember Everything You'll Ever Learn? Surrender to This Algorithm Cognitive biases Educational psychology