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61.
This article attempts a philosophical defense of an autonomy-based approach to multicultural education. I contend that multicultural education is necessary in order for students to be able to develop personal autonomy. This, in turn, can empower students to effectively formulate their own version of the good life. The development of autonomy need not, as many critics claim, promote atomistic individualism. Rather, contemporary liberal autonomy strives for a balance between the individual and the community. In defending multicultural education, my argument relies on Joseph Raz's notion of autonomy and Will Kymlicka's concept of a context of choice. I conclude that through multicultural education, students can expand their contexts of choice and consequently develop individual autonomy, an essential ingredient of the good life. 相似文献
62.
DOES CONDITIONAL DISCRIMINATION LEARNING BY PIGEONS NECESSARILY INVOLVE HIERARCHICAL RELATIONSHIPS?
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Four experiments demonstrate that when putative conditional and discriminative cues are presented simultaneously in the single reversal procedure, it is not possible to ascribe a uniquely conditional or uniquely discriminative function to either of the cues. In Experiment 1, pigeons were trained to respond to a blue key and not to a red key while the houselight was on; then in a different session they learned the reversal of this discrimination with the houselight off (single reversal). Separate groups were tested for color generalization with houselight conditions alternating in blocks of trials or for houselight intensity generalization with blue and red key colors alternating in blocks of trials. Both test procedures revealed a conditional relationship between houselight and key color conditions. Experiment 2 produced the same result following training in which the key colors were held constant across training sessions while the houselight and no houselight conditions varied within sessions. In Experiment 3, separate groups were trained with the two procedures but were tested with randomly ordered combinations of key colors and houselight intensities. The two groups yielded indistinguishable bidimensional generalization gradients with peaks at both previously reinforced stimulus combinations. In Experiment 4 the subjects were switched from one of these training procedures to the other with no decrement in their discriminative performance. We conclude that for successive discriminations between conditional- and discriminative-stimulus combinations, the notion of a hierarchical relation between conditional and discriminative stimuli must be extended to include a symmetrical relationship or the notion should be abandoned altogether. 相似文献
63.
Phencyclidine discrimination in the pigeon using color tracking under second-order schedules 总被引:7,自引:7,他引:0
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D. E. McMillan D. A. Cole-Fullenwider W. C. Hardwick G. R. Wenger 《Journal of the experimental analysis of behavior》1982,37(1):143-147
Pigeons were trained to track different key colors, depending on whether they had been injected with phencyclidine or saline prior to the session. A second-order schedule was used to generate large numbers of responses prior to the initial food delivery. The procedure offers several advantages over traditional procedures for studying drug discrimination. 相似文献
64.
记忆在幼儿心理的发展过程中,具有极为重要的作用。幼儿知识的掌握,语言的学习,技巧的培养,以至个性的形成,都与记忆活动密切联系。国内外关于幼儿记忆的研究,主要限于有意与无意识记,机械与意义识记,形象与语词记忆等方面,很少从不同感觉道输入信息来进行比较。有的实验虽然涉及到不同感觉道的记忆,但被试者都是7岁以上的儿童,如斯梅德利(Smedley)和三岛、横尾等人的研究。为了全面了解幼儿的记忆发展水平,我们设计了关于幼儿不同感觉道记忆的实验研究,试图通过对幼儿各个感觉道输入信息来全面测查幼儿的视觉、听觉、味觉、嗅觉、动觉和触摸党的记忆水平,了解其发展规律及特点,以便为幼儿记忆的理论研究提供实验数据,为幼儿教育提供心理学依据。 相似文献
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66.
颜色突显是指在与视觉搜索任务有关的视觉显示中,采用颜色突出显示多个项目中的目标项目,从而提高视觉搜索效率的一种方法或技术。本文采用视觉搜索任务,以正确率和反应时为指标对单彩色和复杂彩色背景下不同颜色突显的视觉搜索绩效进行了研究。结果表明:(1)在单彩色背景和复杂彩色背景下,颜色突显条件视觉搜索绩效显著优于非突显条件;(2)在浅蓝或浅绿的单彩色背景下,四种颜色突显绩效中,红色突显绩效最好,紫色最差,而在随机彩色背景和复杂彩色背景下,颜色突显绩效差异并不显著;(3)在彩色背景下的颜色突显绩效会受到干扰数字的颜色的影响,其中在单色和随机彩色背景下,干扰目标颜色为黑色时的视觉搜索绩效优于干扰目标颜色为白色时的情景,而在自然彩色背景下,这种视觉搜索优势并不存在。 相似文献
67.
注意捕获研究对于探讨两种控制过程:自上而下的加工与自下而上的加工之间的关系具有重要的意义。本文通过检验不同工作记忆负荷对注意捕获的影响,探讨自上而下的认知控制对注意捕获的影响机制。本研究共包括二个实验:实验一比较了单、双任务条件对颜色干扰子注意捕获的影响;实验二探讨了不同工作记忆负荷对颜色干扰子注意捕获的影响。实验结果表明:工作记忆不仅在选择性注意任务中具有认知控制作用,而且这种作用能扩展到注意捕获现象中。注意捕获不是纯粹的刺激驱动的加工过程,它还受到自上而下的认知控制的调节。具体表现为,随着工作记忆负荷水平的增加,无关干扰子产生的注意捕获的程度增大。 相似文献
68.
69.
Attrill et al. (2008) conducted a far-reaching study in elite English soccer demonstrating in archival research that from 1946 to 2003 seasons, teams wearing red uniforms were more likely to win championships than teams in other uniform colors, won more at home and had a higher average league position (relative to cross-city rivals). Their study was one of only very few that extended the color-in-context theory (Elliot & maier, 2007) to team, ball-oriented long-duration sports. The current investigation returns to the red superiority hypothesis in professional soccer due to weaknesses in the original evidence for this hypothesis. We conducted two studies testing the red superiority hypothesis in professional soccer. In Study 1a, we first reanalyzed the original data and tested the strength of evidence in favor of the red superiority hypothesis. We then updated the English premier league data (1992–2018) and tested uniform color effects on game outcomes. In Study 2, we attempted to broaden the scope of Study 1 and increase statistical power by testing the red superiority effect during the last 20 years of six major European Soccer leagues (NOS Portugal, German Bundesliga, Dutch Eredivisie, Spanish la Liga, French Ligue 1, and the Italian Serie A). All three tests challenge the validity of the original findings and fail to detect uniform color effects at home play in professional soccer. In light of the current findings and a growing body of research in the field we call into question overall color effects in this athletic context. 相似文献
70.
Schnelle JF Kirchner RE Casey JD Uselton PH McNees MP 《Journal of applied behavior analysis》1977,10(1):33-40
The effects of a carefully monitored and increased police patrol on the report of crime were examined in four patrol zones. Overall patrol movement was increased to four times normal levels and slow patrol movement (under 20 mph) to around 30 times normal levels for 10 days. The patrol was active in two zones between 9:00 a.m. and 5:00 p.m. and in the other two zones between 7:00 p.m. and 3:00 a.m. A multiple-baseline design and time-series statistical analyses showed statistically reliable changes in reported levels of Part I crime (such as robbery, burglary, and aggravated assault) during both night patrols, but not in the day patrols. In both night-patrol zones, there were also reliable increases from saturation patrol to postsaturation patrol in report of Part I crime after the night patrol was terminated. Neither of the day patrols showed significant crime report changes on termination. Despite statistically reliable decreases in report of crime during nighttime hours, the value of saturation patrolling as a crime-prevention technique was questioned on cost/benefit grounds. 相似文献