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51.
Effects of fasting on visual flicker fusion 总被引:2,自引:0,他引:2
Two experiments are reported which investigated the effects of fasting on visual flicker fusion (VFF). In Exp. 1 the VFF of 40 undergraduate students, 20 men and 20 women, whose mean age was 22.5 yr., was measured in nonfasting conditions 1 to 2 weeks before and in fasting conditions during the Muslim fasting month of Ramadan. In Exp. 2 the VFF of a comparable group of 15 men and 15 women, whose mean age was 23.2 yr., was measured in a different month in both fasting and nonfasting conditions. Subjects were assigned randomly to these two conditions. Analysis shows that fasting reduced VFF significantly in both experiments. This finding indicates that fasting is likely to reduce perceptual sensitivity. The results were explained in terms of fatigue and physical exhaustion effects produced by fasting. 相似文献
52.
Trevor A. Foulk Irene E. De Pater Michael Schaerer Christilene du Plessis Randy Lee Amir Erez 《Personnel Psychology》2020,73(2):363-394
Although “powerlessness” is a pervasive experience for employees, prior social power research has predominantly focused on consequences of “powerfulness.” This has led to contradictory predictions for how experienced powerlessness influences employees’ social perceptions and behaviors. To resolve this theoretical tension, we build on Social Distance Theory (Magee & Smith) to develop a theoretical model suggesting that experienced powerlessness reduces social closeness and subsequently causes social disengagement behaviors both at work (reduced helping and increased interaction avoidance) and at home (increased withdrawal). Our model also elucidates the processes that cause powerlessness to reduce social closeness, demonstrating that employees’ affiliation motive and their expectation of others’ interest in affiliating explain this relationship. We further propose that the effect of powerlessness on social closeness will be stronger for employees high (vs. low) in political skill because these employees are more attuned to workplace power dynamics. We find support for our model in an experience-sampling field experiment and two experimental scenario studies. Our research clarifies the effects of powerlessness on social closeness and organizationally relevant downstream consequences, qualifies dominant assumptions that the powerless always behave in ways opposite those of the powerful, and demonstrates the importance of political skill as a moderator of power's effects. 相似文献
53.
Amir Goldstein 《Journal of Modern Jewish Studies》2018,17(2):236-251
This paper aims to shed further light on the response of Israeli society to the rise of the Black Panthers in 1971 by examining the attitude adopted by Menachem Begin and Gahal to the emerging Mizrahi protest movement. After discussing in detail Begin’s response to the Black Panthers’ protest, this paper analyses the factors that contributed to the divide between the Panthers and Israel’s leading opposition party at that time, and the criticism levelled by party members against its leadership concerning its inaction regarding the Black Panthers’ protest. Whereas right-wing Zionist research has hitherto focused on Begin’s political and security-related outlook and activities, the affair being discussed may shift the limelight onto the socio-economic attitudes of Begin and his party. 相似文献
54.
Amir H. Pakpour Isa Mohammadi Zeidi Nikos Chatzisarantis Stig Molsted Adrian P. Harrison Ronald C. Plotnikoff 《Psychology of sport and exercise》2011,12(6):609-614
Objective
Patients on dialysis have low physical activity levels. The aim of the study was to examine the validity of action planning and coping planning within the theory of planned behaviour framework, for predicting physical activity behaviour of patients on haemodialysis.Design
This is a prospective study design.Methods
One hundred and forty-four patients who were undergoing haemodialysis were selected from dialysis centres. The mean age of the patients was 56.61 (SD = 11.38) years. The patients completed a questionnaire including variables from the theory of planned behaviour, action planning and coping planning. Physical activity was prospectively assessed at 4-weeks with the validated International Physical Activity Questionnaire self-report measure. A hierarchical regression analysis was performed to examine the effects of action planning and coping planning on physical activity behaviour.Results
There was a main effect for coping planning but not for action planning. Moreover, the analyses resulted in a significant amount of incremental variance accounted for by the interaction of coping planning and intention.Conclusion
Results suggest the combination of high levels of coping planning and intention is associated with increases in physical activity. 相似文献55.
The association between infants' cognitive development and sleep regulation was investigated in 83 infants not at risk. It was found that 9-mo.-old infants with a more advanced object concept had significantly fewer sleep difficulties compared to infants with lower level of object permanence. 相似文献
56.
We examined the effects of suggestion on Stroop interference in highly suggestible individuals. Participants completed the Stroop task with and without a suggestion to perceive Stroop words as meaningless symbols. Half the participants were given this suggestion in hypnosis, and half were given the suggestion without the induction of hypnosis. Suggestion produced a significant reduction in Stroop inhibition, accounting for about 45% of the variance in Stroop responding, regardless of whether hypnosis had been induced. These findings indicate that suggestion can at least partially overcome the automaticity associated with the Stroop effect. 相似文献
57.
Amir?Muzur Ante?Skrobonja Vlasta?Rotschild Ante?SkrobonjaJr.Email author 《Journal of religion and health》2005,44(1):31-38
A short overview of several saints, including Peter, Paul, John, George, Hilarius, Hubert, and Gaudentius, venerated in Christian tradition as protectors from snake bite, is offered as an introduction to a more substantial debate on the factors determining the choice of protectors in folk medicine, as well as on the possible adjuvant effect of (auto)suggestive therapy obtained by the invocation of saints. 相似文献
58.
Mechanisms of belief-desire reasoning. Inhibition and bias 总被引:4,自引:0,他引:4
Biases in reasoning can provide insight into underlying processing mechanisms. We demonstrate a new bias in children's belief-desire reasoning. Children between 4 and 8 years of age were told a story in which a character was mistaken about which of three boxes contained some object. The character wanted to go to one of the boxes, but only if it did not contain the object. In this scenario, the character would be expected to avoid the box where she falsely believed the object to be, but might go to either of the remaining boxes. Though the character was equally likely to go to either box, children were biased to predict that the character would go to the box that contained the object. In a control task, the character had the same desire but did not have a false belief; in this case, children showed no bias, choosing the two correct answers equally often. The observed pattern of bias was predicted by a developmental model of belief-desire reasoning. Competent belief-desire reasoning depends on a process of selection by inhibition in which the best belief content emerges from a set of candidates. 相似文献
59.
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