1. Conflict, arousal, and curiosity;Berlyne,1960
2. Novelty arousal and reinforcement of diversive exploration in the rat;Berlyne;Journal of Comparative and Physiological Psychology,1966
3. The visual world of infants;Bower;Scientific American,1966
4. Functions of varied experience;Fiske,1961
5. Automated measurement of differential operant performance in human infants;Friedlander;American Psychologist,1961