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Ödberg Fo,. (1969). Bijdrage tot de Studie der Gedragenen van het paard (E. caballus L.).
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Zeeb K,. (1969). Verhaltensweisen beim Dülmener Primitivpferd. Hautpflege – Fortpflanzung – Erkunden und Meiden – Mimik und Ausdrucksbewegungen.
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Halford, G.S., & Halford, J. M.. (1969). Secondary reinforcement: signal or substitute reward? A preliminary investigation. Aus. J. Psychol, .
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Klingel H,. (1969). The social organization and population ecology of the Plains Zebra (Equus quagga). Zoologica Africana, 4, 249–263.
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Klingel H,. (1969). Reproduction in the Plains Zebra, Equus burchelli boehmi: Behaviour and Ecological Factors. J Reprod Fert Suppl, 6, 339–345.
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Boray, J. C. (1969). Experimental fascioliasis in Australia. Adv Parasitol, 7, 95–210.
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Oelofse J,. (1969). Plastic for game catching. Oryx, 10, 306–308.
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Alexander, B. K., & Bowers, J. M. (1969). Social organization of a troop of Japanese monkeys in a two-acre enclosure. Folia Primatol (Basel), 10(3), 230–242.
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Lanzetta, J. T., & Hannah, T. E. (1969). Reinforcing behavior of “naive” trainers. Journal of Personality and Social Psychology, 11(3), 245–252.
Abstract: Attempted to determine whether the sanctioning behavior of naive trainers is consistent with principles of behavior modification, that is, responsive to a trainee's performance alone, or whether it is influenced by variables other than performance. 2 variables which may affect the administration of rewards and punishments are the perceived competence of the trainee and difficulty of the task. These 2 variables were manipulated in a 2 * 2 factorial design with easy and difficult tasks and competent and noncompetent trainees. The trainers were responsible for administering rewards and punishments to trainees while teaching them a concept task; use of a confederate enabled identical trainee performance for all conditions. The data indicate that extraperformance variables do affect the reinforcing behavior of naive trainers as predicted by attribution theory. The results provide behavioral confirmation for predictions from the theory which has been primarily tested using perceptual judgmental data. (PsycINFO Database Record (c) 2006 APA, all rights reserved)
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Brentjes B,. (1969). Equidenbastardierung im Alten Orient. Säugetierk Mitt, 17, 141–151.
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