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We describe a methodology for examining stimulus class dynamics in budgerigars. Three budgerigars served as subjects. Four call types were trained as operant responses to four discriminative stimuli. The birds were over‐trained in this discrimination, and then run through two conditions. In Condition 1 the birds were trained to peck two of the four stimuli when these two stimuli appeared in two novel locations, while continuing to vocalize to all four stimuli when they occurred in the original training location. An analysis of vocal errors showed that the two stimuli assigned to the peck response were more likely to become confused with one another. In Condition 2 the birds experienced symbolic matching‐to‐sample training. Vocal discrimination trials were run concurrently with this training. The observed vocal‐response errors suggest that during a matching‐to‐sample task, sample stimuli became temporarily confused with one another. The results, although primarily intended to illustrate the utility of our method, support the hypothesis that stimuli assigned a common response become more similar, or equivalent, to one another. 相似文献
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Puente, R. & Anshel, M. H. (2010). Exercisers' perceptions of their fitness instructor's interacting style, perceived competence, and autonomy as a function of self-determined regulation to exercise, enjoyment, affect, and exercise frequency. Scandinavian Journal of Psychology, 51, 38–45.
The primary purpose of the present investigation was to test the hypothesis, derived from Self-Determination Theory (SDT), that an individual's perceived competence and autonomy mediate the relationship between the exercisers' perception of their instructor's interaction style and the exercisers' motivation to exercise. A secondary purpose was to identify the affective and behavioral outcomes derived from self-determined regulation. It was hypothesized that SDT would significantly explain and predict exercise behavior. Participants consisted of 238 college students, 103 males and 135 females ( M age = 20.4 years, SD = 2.16), who volunteered to participate in the study. They were asked to complete a battery of questionnaires measuring instructor's interacting style, self-regulation to exercise, perceived autonomy and competence, enjoyment, positive and negative affect, and exercise frequency. Using structural equation modeling with observed variables, the results showed that perceived competence and autonomy mediated the relationship between perceived instructor's interacting style and self-determined regulation. It was also found that self-determined regulation was significantly related to exercise enjoyment, positive affect, and exercise frequency. It was concluded that understanding the motivational factors and emotional and behavioral consequences of physical activity will partially explain an individual's motives to engage regularly in exercise. 相似文献
The primary purpose of the present investigation was to test the hypothesis, derived from Self-Determination Theory (SDT), that an individual's perceived competence and autonomy mediate the relationship between the exercisers' perception of their instructor's interaction style and the exercisers' motivation to exercise. A secondary purpose was to identify the affective and behavioral outcomes derived from self-determined regulation. It was hypothesized that SDT would significantly explain and predict exercise behavior. Participants consisted of 238 college students, 103 males and 135 females ( M age = 20.4 years, SD = 2.16), who volunteered to participate in the study. They were asked to complete a battery of questionnaires measuring instructor's interacting style, self-regulation to exercise, perceived autonomy and competence, enjoyment, positive and negative affect, and exercise frequency. Using structural equation modeling with observed variables, the results showed that perceived competence and autonomy mediated the relationship between perceived instructor's interacting style and self-determined regulation. It was also found that self-determined regulation was significantly related to exercise enjoyment, positive affect, and exercise frequency. It was concluded that understanding the motivational factors and emotional and behavioral consequences of physical activity will partially explain an individual's motives to engage regularly in exercise. 相似文献
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K. MARK WEAVER 《创造性行为杂志》1988,22(3):184-195
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