Zimmermann, R. R. (1958). Analysis of discrimination learning in infant rhesus monkeys. Doctoral dissertation, University of Wisconsin. University Microfilms, Ann Arbor, MI, No. 58-7754.
Harlow, H. F., & Zimmermann, R. R. (1958). The development of affectional responses in infant monkeys. Proceedings of the American Philosophical Society, 102, 501-509.
Harlow, H. F., & Zimmermann, R. R. (1959, August). Affectional responses in the infant monkey. Science, 130, 421-432. Cited by 626 entries in Google Scholar.
Zimmermann, R. R. (1961, February). Analysis of discrimination learning capacities in the infant rhesus monkey. Journal of Comparative and Physiological Psychology, 54(1), 1-10.
Zimmermann, R. R. (1962, December). Form generalization in the infant monkey. Journal of Comparative and Physiological Psychology, 55(6), 918-923.
Locke, K., Locke, E., Morgan, G., & Zimmermann, R. R. (1964). Dimensions of social interactions among infant rhesus monkeys. Psychological Reports, 15(2), 339-349.
Locke, K., Morgan, G., & Zimmermann, R. R. (1964). Method for observing social interactions in groups of infant Rhesus monkeys. Psychological Reports, 14(1), 83-91.
Zimmermann, R. R., & Torrey, C. (1965). Ontogeny of learning. In A. Schrier, H. F. Harlow, & F. Stolinitz (Eds.), Behavior of nonhuman primates: Modern research trends (pp. 405-447). New York: Academic Press.
Barnes, R. H., Cunnold, S. R., Zimmermann, R. R., Simons, H., MacLeod, R. B., & Krook, L. (1966). Influence of nutritional deprivations in early life on learning behavior of rats as measured by performance in a water maze. Journal of Nutrition, 89, 399-410.
Ordy, J., Samorajski, T., Zimmermann, R. R., & Rady, P. M. (1966). Effects of postnatal protein deficiency on weight gain, serum proteins, enzymes, cholesterol, and liver ultrastructure in a subhuman primate (Macaca Mulatta). American Journal of Pathology, 48, 769-791.
Zimmermann, R. R. (1968). Transposition in the infant and adult rhesus monkey. Perceptual and Motor Skills, 26(31), 871-877.
Zimmermann, R. R. (1968). The effects of reduced cue area on discrimination learning and transfer in the neonatal rhesus monkey. Proceedings of the Montana Academy of Sciences, 28, 159-161.
Zimmermann, R. R. (1969). Failure to find infant-adult differences in formation of learning set. Perceptual and Motor Skills, 28(3), 721-722.
Zimmermann, R. R. (1969). Effects of age, experience, and malnourishment on object retention in learning set. Perceptual and Motor Skills, 28(3), 867-876.
Zimmermann, R. R. (1969). The effects of spatial contiguity on the development of discrimination learning in the neonatal rhesus monkey. Proceedings of the Montana Academy of Sciences, 29, 178-181.
Zimmermann, R. R. (1969). Early weaning and weight gain in infant rhesus monkeys. Laboratory Animal Care, 19, 644-647.
Zimmermann, R. R. (1969). Performance of baby monkeys on the Hebb-Williams closed field maze learning task. Developmental Psychobiology, 2, 40-42.
Zimmermann, R. R., & Strobel, D. A. (1969). Effects of protein malnutrition on visual curiosity, manipulation, and social behavior in the infant rhesus monkey. Proceedings of the Annual Convention of the American Psychological Association, 4(1), 241-242.
Zimmermann, R. R. (1970). Transfer of a learned form discrimination in the infant and adult monkey. Developmental Psychobiology, 3, 35-41.
Zimmermann, R. R., & Halbert, T. D. (1970). Individualization of instruction: Evaluation—a roadblock. Education Monograph No. 5, Division of Educational Research and Services, University of Montana.
Zimmermann, R. R., Strobel, D., & Maguire, D. (1970). Neophobic reactions in protein malnourished infant monkeys. Proceedings of the Annual Convention of the American Psychological Association, 5(1), 197-198.
Zimmermann, R. R., & Hochberg, J. (1970). Responses of infant monkeys to pictorial representations of a learned visual discrimination. Psychonomic Science, 18(5), 307-308.
Strobel, D., & Zimmermann, R. R. (1971, July). Manipulatory responsiveness in protein-malnourished monkeys. Psychonomic Science, 24(1), 19-20.
Zimmermann, R. R., & Hochberg, J. (1971, September). The facilitation of picture discrimination after object discrimination learning in the neonatal monkey and probably vice versa. Psychonomic Science, 24(5), 239-241.
Balogh, B., & Zimmermann, R. R. (1971, October). Short-term retention of object discriminations in experienced and naive rhesus monkeys. Perceptual and Motor Skills, 33(2), 543-549.
Zimmermann, R. R., & Wells, A. (1971, December). Performance of malnourished rats on the Hebb-Williams closed-field maze learning task. Perceptual and Motor Skills, 33(32), 1043-1050.
Halbert, T. D., Zimmermann, R. R., & McLean, A. F. (1972). Individualization of instruction. Division of Continuing Education, University of Calgary, No. 160-172.
Geist, C. R., Zimmermann, R. R., & Strobel, D. (1972). Effect of protein-calorie malnutrition on food consumption, weight gain, serum proteins, and activity in the developing rhesus monkey (Macaca Mulatta). Laboratory Animal Science, 22, 369-377.
Peregoy, P. L., Zimmermann, R. R., & Strobel, D. A. (1972). Protein preference in protein-malnourished monkeys. Perceptual and Motor Skills, 35, 495-503.
Strobel, D., & Zimmermann, R. R. (1972). Responsiveness of protein deficient monkeys to manipulative stimuli. Developmental Psychobiology, 5(4), 291-296.
Zimmermann, R. R., Geist, C., & Wise, L. (1972). Behavioral development, environmental deprivation, and malnutrition. Advances in psychobiology. Oxford England: Wiley-Interscience.
Zimmermann, R. R., & Munro, N. (1972). Changing head start mothers' food attitudes and practices. Journal of Nutrition Education, 4, 66-68.
Zimmermann, R. R., & Geist, C. R. (1972). A highly palatable and easy-to-make diet for producing protein-calorie malnutrition in the rhesus monkey. Laboratory Primate Newsletter, 17, 1-3.
Wells, A., Geist, C., & Zimmermann, R. R. (1972, August). Influence of environmental and nutritional factors on problem solving in the rat. Perceptual and Motor Skills, 35(1), 235-244.
Moore, R., Zimmermann, R. R., & Estelle, J. (1972, June). Program of psychotherapy for inmates at the Montana State Prison. Psychological Reports, 30(3), 756-758.
Zimmermann, R. R., & Zimmermann, S. J. (1972, August). Responses of protein malnourished rats to novel objects. Perceptual and Motor Skills, 35(1), 319-321.
Zimmermann, R. R., & Balogh, B. (1972, October). Adjusting retention scores: Reply to Medin. Perceptual and Motor Skills, 35(2), 478-478.
Zimmermann, R. R., Steere, P., Strobel, D., & Hom, H. (1972, October). Abnormal social development of protein-malnourished rhesus monkeys. Journal of Abnormal Psychology, 80(2), 125-131.
Halbert, T. D., McLean, A. F., & Zimmermann, R. R. (1973). Some must fail. Alberta Teacher's Association Bulletin, 22, 48-52.
Zimmermann, R. R. (1973). Behavior of nonhuman primates: Modern Research trends (Book review). American Journal of Psychology, Spring, 614-615.
Zimmermann, R. R., & Halbert, T. (1973) Incentives: Internal, external, central. Improving College and University Teaching, 1, 202-206.
Stoffer, G., & Zimmermann, R. R. (1973). Airblast avoidance learned sets in rhesus monkeys. Animal Learning and Behavior, 1, 211-214.
Fichtler, H., Zimmermann, R. R., & Moore, R. (1973, February). Comparison of self-esteem of prison and non-prison groups. Perceptual and Motor Skills, 36(1), 39-44.
Stoffer, G., Zimmermann, R. R., & Strobel, D. (1973, February). Punishment of oral-genital self-stimulation in young rhesus monkeys. Perceptual and Motor Skills, 36(1), 199-202.
Zimmermann, R. R. (1973, March). Reversal learning in the developing malnourished rhesus monkey. Behavioral Biology, 8(3), 381-390.
Wise, L. A., & Zimmermann, R. R. (1973, April). Shock thresholds of low- and high-protein-reared rhesus monkeys. Perceptual and Motor Skills, 36(2), 674.
Zimmermann, R. R. (1973, May). Reversal learning in the neonatal rhesus monkey. Developmental Psychobiology, 6(3), 245-250.
Fichtler, H., & Zimmermann, R. R. (1973, June). Changes in reported pain from tension headaches. Perceptual and Motor Skills, 36(31), 712-712.
Wise, L., Zimmermann, R. R., & Strobel, D. (1973, July). Dominance measurements of low and high protein reared rhesus macaques. Behavioral Biology, 9(1), 77-84.
Stoffer, G., & Zimmermann, R. R. (1973, December). Air-blast avoidance learning sets in protein-malnourished monkeys. Behavioral Biology, 9(6), 695-705.
Zimmermann, R. R., & Geist, C. (1974). Animal behavior (by P. C. Scott). Book review in Contemporary Psychology, 2, 115-116.
Zimmermann, R. R., Geist, C. R., & Wise, L. A. (1974). Behavioral development environmental deprivation and malnutrition. In G. Newton & A. Riesen (Eds.), Advances in psychobiology (vol. 2, pp. 133-192). New York: Wiley & Sons.
Zimmermann, R. R., Geist, C. R., & Strobel, D. A. (1974). Behavioral deficiencies in protein deprived monkeys. In G. Serban (Ed.), Advances in behavioral biology: Nutrition and mental functions (vol. 14, pp. 33-64). Plenum Press.
Strobel, D., Geist, C., Zimmermann, R. R., & Lindvig, E. (1974, April). Cue-locus: A factor in the behavioral deficiency of the developing protein-malnourished monkey (Macaca mulatta). Behavioral Biology, 10(4), 473-484.
Wise, K., Wise, L., & Zimmermann, R. R. (1974, May). Piagetian object permanence in the infant rhesus monkey. Developmental Psychology, 10(3), 429-437.
Pettus, J., Geist, C., Schultz, G., & Zimmermann, R. R. (1974, June). Recovery from malnutrition: Food preference and neophobia. Perceptual and Motor Skills, 38(31), 767-773.
Zimmermann, R. R., Guest, R., & Geist, C. R. (1974, August). Improvement in self-concept during psychotherapy in a maximum security prison. Perceptual and Motor Skills, 39, 311-314.
Zimmermann, R. R., Wise, L., & Smith, O. (1974, August). Early detection of final performance in an introductory course in general psychology. Psychological Reports, 35, 620-622.
Wise, L., Zimmermann, R. R., Strobel, D. A., & Smith, O. W. (1974, October). Device for study of communication of dominance without physical contact. Perceptual and Motor Skills, 39, 863-866.
Ackles, P., Zimmermann, R. R., Manning, M., & Kazarian, C. (1974, December). Transposition in young monkeys and children. Perceptual and Motor Skills, 39(3), 1291-1298.
Zimmermann, R. R., Strobel, D. A., Steere, P., & Geist, C. R. (1975). Behavior and malnutrition in the rhesus monkey. In L. Rosenblum (Ed.), Primate behavior: Developments in field and laboratory research (vol. 4, pp. 241-306). New York: Academic Press.
Zimmermann, R. R., Geist, C., & Ackles, P. (1975, July). Changes in the social behavior of rhesus monkeys during rehabilitation from prolonged protein-calorie malnutrition. Behavioral Biology, 14(3), 325-333.
Ackles, P., & Zimmermann, R. R. (1976, February). Transfer of a learned relational response in monkeys and children. Perceptual and Motor Skills, 42(1), 303-318.
Zimmermann, R. R., Strobel, D. A., Maguire, D., Steere, P., & Hom, H. L. (1976). The effects of protein deficiency on activity, learning, manipulative tasks, curiosity, and social behavior in monkeys. In J. Bruner, A. Jolly, & K. Sylva (Eds.), Play, its role in development and evolution (pp. 496-511). New York: Basic Books.
Geist, C. R., Zimmermann, R. R., Smith, O. W., & Geist, E. (1977, June). Emergence of a kwashiorkor-like syndrome associated with protein-calorie malnutrition in the developing rhesus monkey (Macaca mulatta). Psychological Reports, 40, 1339-1344.
Smith, O. W., Smith, P. C., Zimmermann, R. R., & Geist, C. (1977). Brunswik Rations: A ratio scale for comparative analysis of size constancy data from different experiments. Perceptual and Motor Skills, 45, 1255-1258.
Zimmermann, R. R., Schroll, E. F., Ackles, P., Barrett, R., & Auster, M. (1978, February). Performance of institutional retardates on standard and new forms of the Quick Test. Perceptual and Motor Skills, 46, 263-266.
Smith, O., Smith, P., Geist, C., & Zimmermann, R. R. (1978, June). Apparent size contrasts of retinal images and size constancy as determinants of the moon illusion. Perceptual and Motor Skills, 46, 803-808.
Ackles, P., & Zimmermann, R. R. (1978, August). Developmental study of transposition in young children. Perceptual and Motor Skills, 47, 3-12.
Harlow, H., & Zimmermann, R. R. (1996). Affectional responses in the infant monkey. Foundations of animal behavior: Classic papers with commentaries (pp. 376-387). Chicago, IL: University of Chicago Press.
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