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241.
Steward WT Chandy S Singh G Panicker ST Osmand TA Heylen E Ekstrand ML 《Psychology, health & medicine》2011,16(1):74-85
Previous research has shown that HIV stigma in India can be characterized by a framework dividing manifestations into enacted (discrimination), vicarious (hearing stories of discrimination), felt normative (perceptions of stigma's prevalence), and internalized stigma (personal endorsement of stigma beliefs). We examined whether this framework could explain associations among stigma, efforts to avoid HIV serostatus disclosure, and depression symptoms in a cohort of 198 HIV-infected individuals from Southern India who were followed up for one year as part of a study of antiretroviral adherence. Prior studies had suggested that disclosure avoidance was a primary outcome of stigma and that impaired well-being was a primary outcome of disclosure avoidance. Analyses from our longitudinal research revealed that the pattern of associations among stigma, disclosure avoidance, and depression symptoms remained consistent over time. Enacted and vicarious stigmas were correlated with felt normative stigma beliefs. In turn, felt normative stigma was correlated with disclosure avoidance. And, enacted stigma, internalized stigma, and disclosure avoidance were all associated with depression symptoms. However, even though the overall framework held together, internalized stigma and depression symptoms dropped significantly over time while other components remained unchanged. These findings suggest that, although HIV stigma may limit disclosure, it does not invariably lead to psychological maladjustment. Amidst ongoing perceptions and experiences of stigma, HIV-positive individuals can achieve significant improvements in their acceptance of the disease and in mental well-being. 相似文献
242.
Siegel JT 《Psychology, health & medicine》2011,16(6):719-726
Many approaches have been utilized to understand adolescent risk taking. The current research frames risk taking as a purposive behavior enacted with a specific goal in mind. Rather than assuming adolescent risk taking to be the result of arrogance or perceived invulnerability, adolescent risk taking is interpreted as a means to an end. Stemming from a Tolmanian framework, an alternative explanation for adolescent risk taking is tested: adolescents are willing to take risks to the extent that the risk is associated with a needed outcome - the greater the need for the outcome, the greater the willingness to take risks. To test the proposed hypothesis, 192 participants completed a survey about their need for a romantic relationship and their willingness to endure harm to obtain a romantic relationship. Data were collected at two time points. A hierarchical regression revealed that need for romance is a significant predictor of willingness to endure harm for romance, even after gender and sensation seeking are statistically controlled. Moreover, need for romance at T1 was shown to be predictive of harm for romance at T2. Results are supportive of taking a purposive - that is, Tolmanian - approach, as a means for interpreting adolescent behavior. 相似文献
243.
244.
Research has shown that the Simon effect is larger for targets suffering from inhibition of return (IOR). We used speed–accuracy trade-off (SAT) methodology to explore the temporal dynamics underlying this interaction. In Experiment 1, a new method for sorting the data was used to reveal a monotonic decay in the impact of task-irrelevant location information that is responsible for the Simon effect. In Experiment 2, we show that IOR delays both task-relevant identity and task-irrelevant location codes; a relatively longer delay for location than identity codes accounts for the effect of IOR on the Simon effect. When location information was made task-relevant in Experiment 3, IOR delayed the accumulation of this information by about the same amount as when location was irrelevant. The results suggest that IOR, therefore, has a greater effect on location than identity information. 相似文献
245.
Although a great deal of experimental attention has been directed at understanding Fitts' law, only a limited number of experiments have attempted to determine if performance differs across effectors for a given movement difficulty. In three experiments reciprocal wrist and arm movements were compared at IDs of 1.5, 3, 4.5 and 6. When absolute movement requirements and visual display were constant, participants' movement times and response characteristics for the arm and wrist were remarkably similar (Experiment 1). However, when amplitude for wrist movements was reduced to 8° and the gain (4×) for the visual display increased participants' movement time, defined on the basis of kinematic markers (movement onset − movement termination), was increasingly shorter relative to arm movements as movement difficulty was increased (Experiment 2). Experiment 3 where the arm was tested at 32° and 8° with the 8° movements provided the same gain (4×) that was used for the 8° wrist movements in Experiment 2, no advantage was observed for the arm at the shorter amplitude. The results are interpreted in terms of the advantages afforded by the increased gain of the visual display, which permitted the wrist, but not the arm, to more effectively preplan and/or correct ongoing movements to achieve the required accuracy demands. It was also noted that while the wrist was more effective during the actual movement production this was accompanied by an offsetting increase in dwell time which presumably is utilized to dissipate the forces accrued during movement production and plan the subsequent movement segment. 相似文献
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247.
Shaw JD Zhu J Duffy MK Scott KL Shih HA Susanto E 《The Journal of applied psychology》2011,96(2):391-400
The authors develop and test theoretical extensions of the relationships of task conflict, relationship conflict, and 2 dimensions of team effectiveness (performance and team-member satisfaction) among 2 samples of work teams in Taiwan and Indonesia. Findings show that relationship conflict moderates the task conflict-team performance relationship. Specifically, the relationship is curvilinear in the shape of an inverted U when relationship conflict is low, but the relationship is linear and negative when relationship conflict is high. The results for team-member satisfaction are more equivocal, but the findings provide some evidence that relationship conflict exacerbates the negative relationship between task conflict and team-member satisfaction. 相似文献
248.
We treated a child with intestinal failure who consumed solids on a spoon but not liquids from a cup. We used spoon-to-cup fading, which consisted of taping a spoon to a cup and then gradually moving the bowl of the spoon closer to the edge of the cup. Spoon-to-cup fading was effective for increasing consumption of liquids from a cup. 相似文献
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250.
Although stereotype threat theory suggests that, in stereotype threat settings, negatively-stereotyped students who are highly
domain-identified risk underperforming on difficult tests but can perform well on easy tests, it is unclear how these students
will perform on moderately-difficult tests in stereotype threat settings. The present study found that the higher black students’
verbal identification the worse their performance on a moderately-difficult verbal test in an ability-diagnostic setting.
The students’ verbal identification did not relate to their performance in a non-diagnostic setting. The discussion addresses
the need for research to determine the mediators between high domain identification and underperformance, and whether it is
beneficial for students to be less domain identified. 相似文献