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Daniel D. Mccall Richard L. Freyman Rachel K. Clifton 《Attention, perception & psychophysics》1998,60(4):593-601
The effect of changing the frequency components of an echo relative to the sound source was examined in a two-choice discrimination task. Subjects sat in an anechoic chamber and discriminated the direction of the lag noise burst within a lead-lag pair presented over loudspeakers. The leading noise burst was broadband, and the lagging burst was either high- or low-pass filtered. On some conditions, this test burst pair was preceded by a conditioning train of burst pairs, which also had a broadband lead and either a high- or low-frequency lag. When the frequency content of the echo was held constant across the conditioning train and test burst pair, echo suppression that was built up during the repeating train was maintained for the test burst pair, shown by the subjects’ poor performance in detecting the location of the lagging burst. By comparison, subjects had little difficulty in localizing the lagging burst when the frequency content of the echo changed between the conditioning train and the test burst, indicating that any buildup of suppression during the train was broken when the lagging burst’s spectrum shifted. The data are consistent with an interpretation in which echo suppression is temporarily broken when listeners’ built-up expectations about room acoustics are violated. 相似文献
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Bradford Barnhardt 《Ethics & behavior》2016,26(4):330-343
The incidence and moral implications of cheating depend on how it is defined and measured. Research that defines and operationalizes cheating as an inventory of acts, that is, “cheating in any form,” has often fueled concern that cheating is reaching “epidemic proportions.” Such inventory measures appear, however, to conflate moral and administrative conceptions of the problem. Inasmuch as the immorality of behavior is a function of moral judgment, academic misconduct is immoral only when it is intentional, and the greatest moral weight should be ascribed to violations that students judge to be the most “serious.” 相似文献
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The psychological teaching–learning contract model of academic integrity, presented herein, features a social contract-based mechanism for moral judgment that is hypothesized to underlie the “belief–behavior incongruity,” that is, the noted frequency with which students who believe cheating is immoral still cheat. High school students (N = 493) from 11 international schools in 9 countries participated in the study. Results suggest that students often regard the cheating they do within a given context to be justifiable, that is, not immoral, implying that such behavior is not incongruous with their moral beliefs. 相似文献
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