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271.
Summary A Movement After-Effect (MAE) observed on a structured test figure contains generally two successive phases. The initial one is non-contingent upon the test figure and is assumed to result from an adaptation process. The second phase is shown to be contingent upon the features of the test figure and their similarity with those of the generating figure. A conditioning process is assumed to share in its appearance. In Experiment I, it is shown that the areal spread of MAE which may appear in the contingent phase is likely to result from a generalization process in which part of the test figure corresponding to an unstimulated area becomes transiently effective in generating a MAE. In Experiment II distributed practice of the MAE is shown to lead to an increase in the duration of the effect when the generating and test figures are similar. This last result suggests that the true conditioning stimulus is the generating figure as such. 相似文献
272.
A technique is described for the measurement, in the field, of stability and steadiness. Apparatus and method are provided along with suggested scoring procedures. 相似文献
273.
It was hypothesized that subjects would prefer to blame a character assault on negative ability characteristics of a dissimilar attacker as opposed to negative motivational characteristics in order to escape responsibility for the attack. It was reasoned that because we generally think of ourselves as having less potential influence over the abilities as opposed to the motivations of another person, it might be possible to diminish one's responsibility for another's behavior by attributing that behavior to that person's ability characteristics. Subjects in this experiment responded either to an insulting or noninsulting stimulus person who was either similar or dissimilar by selecting from a list of both motivational and ability bipolar trait dimensions, those dimensions they would most prefer to use in rating the stimulus person. As predicted, subjects responding to an insulting and dissimilar stimulus person showed a significantly greater preference for ability trait dimensions than subjects in the other conditions combined and also disliked the stimulus person more. The significance of these results for defensive attribution processes and phenomena such as racism and sexism are discussed. 相似文献
274.
275.
Felicity Brock Kelcourse M.Min. M.Phil. Barry Ulanov Claude Barbre Margaret Klenk M.Div. Kathleen Ford C.S.W. Stephen L. Cook Ph.D. Mark Finn Ph.D. Robert W. Gunn D.Min. S. J. Angelo Paiano Melissa A. Gallivan Robert W. Gunn D.Min. Jill Carlen Kirby M.S.Ed. C.S.W. Jorge L. Abreu C.S.W. Jill Carlen Kirby M.S.Ed. C.S.W. Donald F. Dal Maso C.S.W. Irwin B. Blatt Ph.D. Ella Fitzgerald 《Journal of religion and health》1996,35(3):255-277
276.
277.
Breittmayer JP Bungener M De The H Eschwege E Fougereau M Guedj G Kordon C Philippe O Postel-Vinay MC Schaffar-Esterle L;French National Medical Health Research Institute 《Science and engineering ethics》2000,6(1):41-48
Institutions in France are not yet well prepared to respond to allegations of scientific misconduct. Following a serious allegation
in late 1997. INSERM,* the primary organization for medical and health-related research in France, began to reflect on this
subject, aided by scientists and jurists. The conclusions have resulted in establishing a procedure to be followed in cases
of alleged misconduct, and also in reinforcing the application of good laboratory practices within each laboratory. Guidelines
for authorship practices and scientific assessment must also be considered. Even though each institution must remain responsible
for responding to allegations of scientific misconduct within its doors, INSERM would like to see national, European, and
international co-ordination about the methods of such response.
Institut National de la Santé et de la Recherche Médicale (eng. French National Medical Research Institute) is known as INSERM.
An earlier version of this paper was presented at a symposium, Scientific Misconduct: An International Perspective, organised by The Medical University of Warsaw, 16 November, 1998. 相似文献
278.
Auditory streaming and its relevance to attentional processing was examined using event-related brain potentials (ERPs) in situations facilitating perception of one or two streams of sounds. Subjects listened to sequences of brief tones of three different frequencies presented in random order. In evenly spaced (ES) conditions, the three frequencies were equidistant on the musical scale. In clustered, easy (CE) conditions, the attended frequency was distinct, while the middle and extreme distractor tones were clustered together. In clustered, hard (CH) conditions, the attended frequency was clustered with one of the distractors. The subjects pressed a button in response to occasional target tones of longer duration at a prespecified frequency. The subjects were faster and more accurate in CE conditions than they were in ES conditions, and ERP attention effects were enhanced in amplitude in CE conditions. Conversely, the subjects were slower and less accurate in CH conditions and ERP attention effects were delayed in latency and decreased in amplitude. Clustering effects suggest that the processing of stimuli belonging to the attended stream was promoted and the processing of those falling outside the stream was inhibited. The timing and scalp distribution of clustering-related changes in ERPs suggest that clustering modulates early sensory processing in auditory cortex. 相似文献
279.
James E. Skinner Mark Molnar Claude Tomberg 《Integrative psychological & behavioral science》1994,29(3):217-234
The dynamics of many biological systems have recently been attributed to low-dimensional chaos instead of high-dimensional noise, as previously thought. Because biological data are invariably nonstationary, especially when recorded over a long interval, the conventional measures of low-dimensional chaos (e.g., the correlation dimension algorithms) cannot be applied. A new algorithm, the point correction dimension (PD2i) was developed to deal with this fundamental problem. In this article we describe the details of the algorithm and show that the local mean PD2i will accurately track dimension in nonstationary surrogate data. 相似文献
280.
Pierre Charlebois Marc LeBlanc Claude Gagnon Serge Larivée Richard Tremblay 《Journal of psychopathology and behavioral assessment》1993,15(1):23-41
A risk group of disruptive boys (N=65) identified in kindergarten was assessed using the same procedures at ages 6–7, 8–9, and 10–11. Criteria used to define the predictors and criterion variable were the same at all assessment times. Severity was addressed by comparing different forms of behaviors, considering the extent of harmful consequences to others (aggressiveness was considered as most harmful, whereas inattention was considered as least harmful), manifestation in multiple settings, and extreme scores (manipulation of cutoff scores). Different assessment strategies (direct observations, ratings) and different informants (trained observers, mothers and teachers) were used. Aggressiveness as rated by mothers was highly stable from age 6 to age 11. Inattention as rated by teachers was stable only from age 6 to age 9, whereas no stability was found for observations of task inappropriate behaviors. Taskinappropriate behaviors observed in mother-child interactions and in multiple settings at age 6–7 were significant predictors of self-reported antisocial behaviors at age 12, but this prediction was not repeated at ages 8–9 and 10–11. Teacher ratings of inattention at ages 6–7 and 8–9 were also significant predictors of self-reported antisocial behaviors at age 12. The predictive power was much lower when mothers' ratings of aggressiveness were used. Findings from the present study support the hypothesis that some antisocial behavior precursors are age dependent, in that they are more characteristic of certain age groups than of others. Implications for the selection of assessment screening procedures are discussed. 相似文献