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461.
Lancioni GE Singh NN O'Reilly MF Sigafoos J Oliva D Scalini L Castagnaro F Di Bari M 《Cognitive processing》2007,8(4):279-283
The present study assessed the possibility of promoting pre-ambulatory foot–leg movements in children with multiple disabilities
by motivating their action through contingent stimulation combined with a support device. Two children aged 10 and 8 years
participated. Microswitch technology (i.e., pressure sensors under the shoes or optic sensors at the front–inner side of the
shoes) served for detecting the foot–leg movements and providing contingent stimulation on their occurrence. Sensor activation
produced 5 s of stimulation during intervention. Data showed that both children had significant increases in foot–leg movements
during the intervention phases. Implications of the data in terms of skill acquisition and further intervention prospects
are discussed. 相似文献
462.
V Di Lollo P Dixon 《Journal of experimental psychology. Human perception and performance》1992,18(4):1089-1100
In partial-report experiments, an array of stimuli is displayed briefly, followed by a probe indicating the items to be reported. When exposure duration of the array is increased, 2 contrasting outcomes have been found: Some experiments find that performance improves (direct-duration effect); others find that it deteriorates (inverse-duration effect). The objective here was to identify the reasons for the discrepant results. This was done by investigating the roles played by 5 factors that differed between the 2 sets of contrasting studies. An inverse-duration effect was obtained in each of 6 experiments; its magnitude was affected by retinal eccentricity and by the number of items denoted by the probe. The effect was independent of array configuration and of number of items in the array. The direct-duration effect was shown to arise from a confounding of exposure duration and brightness. 相似文献
463.
464.
对湖北省两所中学3219名初一至初三年级学生进行问卷调查,建立结构方程模型考察父母粗暴养育、核心自我评价、友谊质量和青少年智能手机成瘾的关系。结果发现:(1)核心自我评价在父母粗暴养育和青少年智能手机成瘾之间起部分中介作用,即父母粗暴养育既对青少年智能手机成瘾产生直接影响,也通过核心自我评价对青少年智能手机成瘾产生间接影响;(2)父母粗暴养育和核心自我评价的关系(中介作用的前半段路径)受到友谊质量的调节,即在高友谊质量和低友谊质量条件下,随着粗暴养育程度的增加,青少年核心自我评价均显著下降,但在高友谊质量的条件下,下降的程度更高。研究结果有助于揭示父母粗暴养育对青少年智能手机成瘾的影响及其作用机制,为预防和干预青少年智能手机成瘾带来一些重要的启示。 相似文献
465.
The influence that a context word presented either foveally or parafoveally, may exert on the processing of a subsequent target word was studied in a semantic decision task. Fourteen subjects participated in the experiment. They were presented with word-nonword pairs (prime). One member of the pair (which the subjects had to attend to) appeared centrally, the other parafoveally. The prime was followed by a target at two inter-stimulus intervals (ISI; 200 and 2000 msec). The word stimulus of the pair could be semantically related or unrelated to the target. The subjects' task was to classify the target as animal or not animal by pressing one of two buttons as quickly as possible. When the target word was semantically associated with the foveal (attended) word the reaction times were faster for both ISIs; when it was associated with the parafoveal (unattended) word in the prime pair, there were facilitatory effects only in the short ISI condition. A second experiment was run in order to evaluate the possibility that the obtained results were due to identification of the parafoveal stimulus. The same prime-target pairs of experiment 1 (without the target stimuli) were used. The prime-target pairs were presented to fourteen subjects who were requested to name the foveal (attended) stimulus and subsequently, if possible, the parafoveal (unattended) one. Even in this condition, percentage of identification of the unattended word was only 15%, suggesting that previous findings were not due to identification of unattended stimuli. Results are discussed in relation to Posner and Snyder's (1975) dual coding theory. 相似文献
466.
This study examined the effectiveness of group‐based career counseling using the Career Interest Profile (CIP). The study used an experimental design involving 2 groups of Italian university students: an experimental group (42 participants) who received narrative career counseling and a control group (47 participants) who did not. Results indicated more specific life and occupational goals after the intervention among members of the experimental group in addition to a decrease in career decision‐making difficulties and an increase in career decision‐making self‐efficacy, thus suggesting the value of group‐based career counseling on the basis of the principles embodied in the CIP. 相似文献
467.
Heroism—an individual's commitment to a noble purpose, usually aimed at furthering the welfare of others, and involving the willingness to accept the consequences of achieving that purpose—has received little attention from political psychologists, even though a person is arguably as liable to act heroically as she is to act in a morally reprehensible manner. Specifically, important questions remain in how heroes can be identified beforehand and how such behavior can be successfully studied and promoted. We posit that recent work in genocide studies, positive psychology, personality psychology, ecological psychology, and moral psychology provides new and promising directions for better understanding heroic behavior. These developments can provide the tools for understanding the complex interplay of factors—including traits, situations, and communal beliefs—motivating heroic behavior. 相似文献
468.
文化认知理论旨在从个体层面研究与文化因素相关的个体风险感知差异。它以"格-群"维度划分文化世界观,"格"维度衡量社会的制度化程度,"群"维度衡量社会群体对个体的影响程度,由此编制文化认知量表以测量个体文化理念差异。目前已验证认同保护认知、偏见同化与群体极化、文化易得性、文化可信性、文化认同确认五种作用机制,并在情感启发式研究的基础上引入文化冲突模因作为中介变量建立理论模型。后续研究可推进文化认知测量工具的跨文化检验与本土化修订,并在具体风险主题研究的基础上探索切实可行的公共风险管理对策。 相似文献
469.
Beth Fairfield Nicola Mammarella Alberto Di Domenico Rocco Palumbo 《International journal of psychology》2015,50(2):161-164
This study tested the hypothesis that affective content may undermine rather than facilitate working memory (WM) performance. To this end, participants performed a running WM task with positive, negative and neutral words. In typical running memory tasks, participants are presented with lists of unpredictable length and are asked to recall the last three or four items. We found that accuracy with affective words decreased as lists lengthened, whereas list length did not influence recall of neutral words. We interpreted this pattern of results in terms of a limited resource model of WM in which valence represents additional information that needs to be manipulated, especially in the context of difficult trials. 相似文献
470.
农村土地承包经营权是改革开放以来我国农地制度在法律上的具体体现.随着我国改革开放的不断深入,土地承包经营权的边际效用逐渐降低,需要合理的制度供给和相应的制度变迁.从制度供给的角度来看,改革开放以来我国农村土地承包经营权的制度变迁主要经历了政策推动阶段、政策法律化开启阶段、政策法律化深入阶段和政策法律化完善阶段.通过对各阶段土地承包经营权的产权结构和实施绩效的分析,可以发现在土地承包经营权自下而上的需求诱致性制度变迁过程中,今后制度变迁的发展路径应更注重法律合理化、类型化变迁和政府守法等方面的改良. 相似文献