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31.
An experiment is reported in which participants at 6 (n = 20), 9 (n = 20), and 24 years (n = 20) of age either received or did not receive practice on a rapid aiming task using the arm and hand. The purpose of the experiment was to document the changes in movement substructures (in addition to movement time) as a function of practice. After receiving 10 baseline trials, subjects in the practice groups received 30 practice trials followed by 10 retention trials on each of 5 days, while subjects in the no-practice group had only baseline and retention trials. Retention-only trials were divided into primary (reflecting the ballistic controlled part of the movement) and secondary (reflecting corrective movement adjustments) submovements. In addition, jerk (the 3rd derivative of movement displacement) was calculated as an estimate of the smoothness of the movement. Participants increased the primary submovement as a function of practice; however, the increases were substantially larger in the children (25-30%) than in the adults (10%). Participants also decreased jerk as a function of practice and the decreases were greater in children than in adults. The results suggest that with practice the primary submovement is lengthened so that it ends nearer the target, especially in children. Associated with the primary submovement covering a larger percentage of the movement length and time, movements became smoother. 相似文献
32.
Jaakkola K Fellner W Erb L Rodriguez M Guarino E 《Journal of comparative psychology (Washington, D.C. : 1983)》2005,119(3):296-303
In 2 experiments, bottlenose dolphins (Tursiops truncatus) judged the ordinal relationship between novel numerosities. The dolphins were first trained to choose the exemplar with the fewer number of items when presented with just a few specific comparisons (e.g., 2 vs. 6, 1 vs. 3, and 3 vs. 7). Generalization of this rule was then tested by presenting the dolphins with all possible pairwise comparisons between 1 and 8. The dolphins chose the exemplar with the fewer number of items at levels far above chance, showing that they could recognize and represent numerosities on an ordinal scale. Their pattern of errors was consistent with the idea of an underlying analog magnitude representation. 相似文献
33.
通过对8名11~14岁初中生的深入访谈,初步探讨了处于初中阶段的青少年认同的亲社会行为。发现:(1)初中生最认同的亲社会行为是帮助行为,其次是交往行为。此外,安慰行为、公益行为、礼貌行为和遵规行为也被他们认同;(2)初中生对不同行为主体间发生的亲社会行为的认同有明显差异,他们更关心发生在他们之间的亲社会行为;(3)普通学校、打工子弟学校的初中生对帮助行为和交往行为认同的比率差异明显;(4)初中生认同的亲社会行为的种类不存在明显的性别差异。 相似文献
34.
鬼谷子的测谎心理思想其目的在于帮助统治者考察权变、征召远近人才、谋划国家事物、献说陈情、决安危、定亲疏、察同异、辨真伪。其基本依据的是阴阳观。他认为阴阳是宇宙变化的一贯之道,把握了阴阳之道,就获得了开启人内心隐秘的基本原理。其所遵循的原则是:知己知人原则,隐秘性原则,把握时机原则。其具体技术有捭阖术,即根据阴阳变化原理提出的开启和闭藏的技术;钩言术,即通过语言表达的动静状态窥探他人内心情报的方法;飞箝术,是以激励、褒扬的言语诱导对方获得实情而抓住对方心理的一种测谎技术。揣摩术,又分揣术和摩术。揣术是根据情感的两极变化和惯常行为表现推测对方心理真实情报的方法。摩术是指将内在情感与外在符验相结合进行推测、切磋、体会获得对方真实情报的方法。 相似文献
35.
Children and individuals with developmental disabilities (DD) compared to typical participants are disadvantaged not only by virtue of being vulnerable to risks inherent in research participation but also by the higher likelihood of exclusion from research altogether. Current regulatory and ethical guidelines although necessary for their protection do not sufficiently ensure fair distributive justice. Yet, in view of disproportionately higher burdens of co-occurring physical and mental disorders in individuals with DD, they are better positioned to benefit from research by equitable participation. Greater elucidation of this ethical dilemma is called for by researchers, institutional review boards, and funding agencies to urgently redress the imbalance. This article discusses many of the regulatory principles to ensure better research participation of children and individuals with DD: human rights, validity, distributive justice, beneficence/nonmaleficence, and autonomy. 相似文献
36.
37.
能够代表汉代200余年历史进程的性习心理思想的主要观点可以概括为:《淮南子》的“循天返朴说”、董仲舒的“性待教为善说”和王充的“性有善恶,教可异化说”。这些观点不仅在当时能够集时代之大成,就是今天,对现代心理学研究仍有启发和借鉴的价值。 相似文献
38.
定量运动负荷后间隔不同时间的肘关节动觉方位准确性 总被引:10,自引:0,他引:10
该研究以过去研究中发现的定量运动负荷可以显著提高肘关节动觉方位准确性为基础,试图讨论这种定量运动负荷后间隔不同时间的肘关节动觉方位准确性。 相似文献
39.
Jan A. Feij Mandy E.G. Van Der Velde Ruben Taris Toon W. Taris 《International Journal of Selection & Assessment》1999,7(1):12-25
This two-phase panel study examines the development of the congruence between vocational interests and perceived skill requirements. Participants were 492 Dutch men and women between 18 and 26 years old, with a paid job in both phases. Three hypotheses inspired by the theory of work adjustment (Dawis and Lofquist 1984) and congruence theory (Holland 1992) were tested, using a composite index of fit proposed by Cronbach and Gleser (1953). The first hypothesis proposing that participants experiencing incongruence between their vocational interests and their perceived skill requirements are dissatisfied with their job was supported. The hypothesis that incongruence has a positive relationship with job change and a negative relationship with tenure was not confirmed. The expectation that the congruence between vocational interests and perceived skill requirements increases over time was confirmed. Furthermore, exploring determinants of change in vocational interests and perceived skill requirements, it was found that change in these domains was predicted by different variables, educational level being the only common factor. It is concluded that this study supports the longitudinal propositions of prevailing work-related person-environment fit theories. 相似文献
40.
A sample of 172 male clergy within the Church of England completed the Eysenck Personality Questionnaire together with an index of charismatic experience. The data demonstrate that charismatic experience is positively associated with extroversion, but related to neither neuroticism nor psychoticism. 相似文献