Articles on bibliography but not in PDF’s Wahlgren, K., & Lester, D. (2003). The big four: personality in dogs. Psychological Reports, 92, 828. Walsh, R. N., & Cummins, R. A. (1976). The open-field test: A critical review. Psychological Bulletin, 83, 482-504. Waters, R. H., Rethlungshafer, D. A., & Caldwell, W. E. (1960). Principles of comparative psychology. New York: McGraw-Hill. Weiss, A., King, J. E., & Enns, R. M. (2000). Subjective wellbeing is heritable and genetically correlated with dominance in chimpanzees (Pan troglodytes). Journal of Personality and Social Psychology, 83, 1141-1149. Weiss, E., & Greenberg, G. (1997). Service dog selection tests: effectiveness for dogs from animal shelters. Applied Animal Behavour Science, 53, 297-308. Welker, C., Schafer-Witt, C., & Voigt, K. (1992). Social position and personality in macaca fascicularis. Folia Primatologica, 58, 112-117. Werner, F. (1939). The mode of life of giant snakes in a terrarium. Ueber die Lebensweise von Riesenschlangen im Terrarium. Zoologische Gaerten, 11, 165-182. Wetzel, A. B., Conner, R. L., & Levine, S. (1967). Shock-Induced Fighting in Septal-Lesioned Rats. Psychonomic Science, 9, 133134. Whitney, G. D. (1967). The Genetics and Interrelationships of Alcohol Preference and Various Indicants of Emotionality in Mus Musculus. Dissertation Abstracts International, 28, (n1-B):371. Wielebnowski, N. C. (1999). Behavioral differences as predictors of breeding status in captive cheetahs. Zoo Biology, 18, 335-349. Wilcock, J., & Broadhurst, P. L. (1967). Strain differences in emotionality: open-field and conditioned avoidance behavior in the rat. Journal Of Comparative & Physiological Psychology, 63, 335338. Wilsson, E., & Sundgren, P. (1997). The use of a behavior test for the selection of dogs for service and breeding, I: Method of testing and evaluating test results in the adult dog, demands on different kinds of service dogs, sex and breed differences. Applied Animal Behaviour Science, 53, 279-295. Wilsson, E., & Sundgren, P. (1998). Behaviour test for eight-week old puppies-heritabilities of tested behaviour traits and its correspondence to later behaviour. Applied Animal Behaviour Science, 58, 151-162. Wilsson, E., & Sundgren, P. (1998). Effects of weight, litter size and parity of mother on the behaviour of the puppy and the adult dog. Applied Animal Behaviour Science, 56, 245-254. Winslow, C. N. (1941). The comparative approach to typology. Journal Of General Psychology, 24, 39-48. Wolf, G. (1985). Zur psychobiologie der emotionen. (Concerning the psychobiology of emotions.). Zeitschrift Fur Psychologie, 193, 385-396. Articles in PDF’s but not on bibliography Wakayama et al, 1998 article. Dolly is a clone – and no longer alone. Wakayama, Perry, Zuccotti, Johnson, & Yanagimachi, 1998. Fullterm development of mice from enucleated oocytes injected with cumulus cell nuclei. Waters, no date (because in a chapter book). The historical background of comparitive psychology. Wemelsfelder, 1997. The scientific validity of subjective concepts in models of animal welfare. Wilmut, Schnieke, McWhir, Kind, & Campbell, 1997. Viable offspring derived from fetal and adult mammalian cells. Wilmut et al, 1998 article. DNA microsatellite analysis of Dolly. Wilson & Barrett, 1996 abstract. The shy and the bold. Wilson et al, 1996 outline of: “shy-bold continuum in pumpkinseed sunfish: and ecological study of a psychological trait.” Woolpy & Ginsburg, 1967. Wolf socialization: a study of temperment in a wild social species. Wrangham, 1996 abstract. Cemonic males: Apes and the origins of human violence. Wrangham, 1997. Subtle, secret femal chimpanzees.