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421.
Nursery school children were presented with a simple miniature artificial language in one of three conditions. In the first, the stimuli to which the words referred contained an inherent lawful relationship and the language syntax reflected this relationship. In the second, the stimuli contained an inherent lawful relationship but the language syntax did not reflect this relationship. In the third, no lawful relationship existed among the stimuli to which the words referred so the language syntax imposed an arbitrary relationship among stimuli. Subjects in the first group were able to produce more correct utterances than those in the other two groups when the stimuli to which the words referred were not present, suggesting that some form of semantic mediation mechanism was being used. Evidence from novel constructions indicates that for both groups using stimuli containing an inherent lawful relation there were interactions between semantic learning mechanisms and syntax learning mechanisms. 相似文献
422.
Tanya Chartrand Shannon Pinckert Jerry M. Burger 《Journal of applied social psychology》1999,29(1):211-221
We examined the effects of 2 variables on compliance rates within the foot-in-the-door procedure. Participants who agreed to a small request were presented with a larger request either immediately after the first request or 2 days later. The second request was presented either by the same person or by a different requester. Compared to a control group receiving only the large request, participants were more likely to agree to the second request in all experimental conditions except one. When the same requester presented the second request without delay, participants were less likely than the control group to agree to the target request. This latter condition represents a situation in which typical foot-in-the-door procedures can backfire on the requester. 相似文献
423.
424.
Shannon TA 《Theological studies》1999,60(1):111-123
The first section of the Notes on Moral Theology reviews ethical issues in genetics through the lenses of privacy-confidentiality; risk-benefit analysis in relation to prenatal diagnosis and gene therapy; and freedom-determinism/human dignity in the context of cloning. The author provides an overview of developments in genetics and highlights thematic issues common to these developments. 相似文献
425.
Two experiments are reported that test the general hypothesis that learning from a small scale map proceeds in a global to local fashion, structured by the spatial subdivisions present in the map. In Experiment 1, a fairly simple map depicting a single fictitious country containing provinces and cities was used as the to-be-learned stimulus. Evidence for a provincial to capital to city learning process was found, with map recall best when subjects used an imagery learning strategy. In Experiment 2, a more complex map containing multiple countries, with provincial and city elements present was used. The global to local learning process was replicated, as well as the beneficial effects of an imagery study strategy. Results are discussed in terms of progressive image differentiation and total information set size. 相似文献
426.
Patricia R. Delucia Shannon Pace Longmire Jessica Kennish 《Attention, perception & psychophysics》1994,55(3):287-295
Diamond-winged variants of the Müller-Lyer figure were used to test predictions of Virsu’s (1971) theory of the Müller-Lyer illusion based on efferent readiness for eye movements toward the figure’s center of gravity, A Müller-Lyer figure with diamond-shaped wings resulted in a greater center-of-gravity distance than the corresponding, conventional Müller-Lyer figure, but fin length and the rest of the figure remained constant; in Virsu’s study, fin length and center-of-gravity distance covaried. Results were consistent with Virsu’s data when we used the stimulus conditions that he reported. Results from a wider range of stimuli challenge Virsu’s theory, and thus are consistent with the conclusions of Brigell, Uhlarik, and Goldhorn (1977). 相似文献
427.
Many youth placed in out of home care have serious anger and aggression problems. These youth create much administrative and staff frustration. This frustration can cause program administrators to look to new treatment modalities whether inside or outside of their specific milieu for the therapeutic solutions to these problems. This randomized control group study provides an example of the importance of experimental program evaluation when an applied setting begins a drift towards the use of new treatment modalities. The results showed that both treatment and control groups improved over time but that there was no differences between groups in the daily number of angry incidents, the number of youth negatively terminated from the program, or self-report of state-trait anger expression. The results also suggest that without this research the noneffective intervention would have continued to be funded and given causative status for the observed improvements in referred youth behavior into the foreseeable future. Moreover, the development of these types of superstitious beliefs may lead child care organizations to spend scarce dollars on expensive treatments that do not increase the efficacy of the treatment as usual. Thus, this study shows that there are potential economic and treatment efficacy reasons for the use of experimental program evaluation when new treatments are implemented. 相似文献
428.
D. J. K. Mewhort Elizabeth E. Johns Shannon Coble 《Attention, perception & psychophysics》1991,50(3):258-266
In studies of iconic memory using the bar-probe task, subjects see a brief display of target letters and are probed by an arrow to report one of them. According to the classic early-selection account, subjects use the probe to select material for perceptual analysis from a precategorical (iconic) memory, but according to late-selection theories, subjects first identify the letters and then use the probe to select one letter for report from the set of categorized items. Pashler (1984) based his test for the locus of selection on a manipulation of display quality in previewed displays. He presented a target for 200 msec and then added a probe, together with the target, for an additional 150 msec. Reducing the target’s stimulus quality increased response latency. If the subjects identified the characters before the probe appeared and then selected an item for report, the clarity of the original array should not have affected response latency. Hence, Pashler concluded that his subjects used the probe to select from a precategorical store (early selection). Pashler’s experiment did not force subjects to rely on memory of the target; hence, although his experiment documented a situation in which subjects used early selection, it did not rule out late selection in studies of information persistence. We replicated Pashler’s findings and, using his logic, showed that when subjects are forced to rely on memory of the target, they select from a categorized store. 相似文献
429.
Lisa P. Armistead Heather Clark C. Nekol Barber Shannon Dorsey Jennifer Hughley Marcia Favors Sarah C. Wyckoff 《Journal of child and family studies》2004,13(1):67-80
We present a discussion of the literature addressing retention of ethnic minority samples in longitudinal studies. In addition, we describe the retention procedures implemented in the Parents Matter! Program (PMP), a community-based sexual risk reduction intervention for African American families. Finally, the results of PMP's retention strategies are presented. 相似文献
430.
Mark R. Dixon John Guercio Terry Falcomata Molly J. Horner Shannon Root Catherine Newell Kimberly Zlomke 《Behavioral Interventions》2004,19(2):91-102
Functional analyses were conducted on four adults with acquired brain injuries who regularly displayed instances of inappropriate verbal behavior including depressive, aggressive, suicidal, profane, and sexually inappropriate utterances. After the functional analysis yielded a maintaining variable for each participant, a function‐based intervention consisting of differential reinforcement of alternative verbal behavior was implemented. Results of the behavioral interventions show that instances of vocal behavior can be assessed and subsequently treated using the functional analysis methodology often reserved for nonverbal forms of behavior. The utility of functional analysis for assessing complex human behavior is discussed. Copyright © 2004 John Wiley & Sons, Ltd. 相似文献