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321.
Seventy 15‐year‐old students in rural and urban Scottish schools, who had previously answered questionnaires about the extent of their part‐time employment, were interviewed. Work appears to be the norm in their communities, 79 per cent having worked and most of the others anticipating working before leaving school. Although the interviewees’ accounts of their jobs give some support to those who argue that most of the paid employment school students undertake is routine and boring, it was also found that most of the young workers found their work satisfying and believed that their experience of working helped to prepare them for adult life. It is proposed that research on the meaning of employment for school students should be extended and that the self‐report techniques currently employed might be supplemented by observational studies. © 2006 The Author(s). Copyright © 2005 National Children's Bureau. 相似文献
322.
Jim Airola 《The International migration review》2007,41(4):850-859
Immigration affects sending countries through the receipt of remittance income. The impact of these cash transfers on households and communities has brought attention to remittances as a development mechanism. This study attempts to understand the degree to which household consumption is affected by the receipt of remittance income and the ways in which the broader communities may be impacted. Using household income and expenditure data for Mexico, expenditure patterns of remittance‐receiving households are analyzed. Regression analysis indicates that remittance‐receiving households spend a greater share of total income on durable goods, healthcare, and housing. 相似文献
323.
324.
Roser Granero Fernando Fernández-Aranda Neus Aymamí Mónica Gómez-Peña Ana Beatriz Fagundo Sarah Sauchelli Amparo del Pino-Gutiérrez Laura Moragas Lamprini G. Savvidou Mohammed A. Islam Salomé Tàrrega José M. Menchón Susana Jiménez-Murcia 《Journal of gambling studies / co-sponsored by the National Council on Problem Gambling and Institute for the Study of Gambling and Commercial Gaming》2015,31(4):1161-1178
325.
Jiménez-Beatty Navarro JE Graupera Sanz JL del Castillo JM Izquierdo AC Rodríguez MM 《Journal of aging and physical activity》2007,15(3):241-256
This study aimed to ascertain by means of a new scale older adults' motives for engaging in physical activity, in a probability and representative sample of an older urban population. The sample size was 630 older adults, ranging from 65 to 94 years in age, randomly selected using multistage sampling. The participants completed a 17-item questionnaire, as well as answering questions on demographic variables, type of demand for physical activity, and physician's recommendation. A principal-component analysis was performed. The relationships among the four factors (physical health, social relationships, competence, and physician's advice) show a clearly motivational structure. Significant relationships have also been found between physician's recommendation and type of demand. The findings suggest that programs promoting physical activity in older adults should have different characteristics from those aimed at general adult populations. 相似文献
326.
Michael N. Katehakis Benjamin Melamed Jim Shi 《Production and Operations Management》2016,25(9):1558-1575
Small‐to‐medium‐sized enterprises (SMEs), including many startup firms, need to manage interrelated flows of cash and inventories of goods. In this study, we model a firm that can finance its inventory (ordered or manufactured) with loans in order to meet random demand which in general may not be time stationary. The firm earns interest on its cash on hand and pays interest on its debt. The objective is to maximize the expected value of the firm's capital at the end of a finite planning horizon. The firm's state at the beginning of each period is characterized by the inventory level and the capital level measured in units of the product, whose sum represents the “net worth” of the firm. Our study shows that the optimal ordering policy is characterized by a pair of threshold parameters as follows. (i) If the net worth is less than the lower threshold, then the firm employs a base stock order up to the lower threshold. (ii) If the net worth is between the two thresholds, then the firm orders exactly as many units as it can afford, without borrowing. (iii) If the net worth is above the upper threshold, then the firm employs a base stock order up to the upper threshold. Further, upper and lower bounds for the threshold values are developed using two simple‐to‐compute myopic ordering policies which yield lower bounds for the value function. We also derive an upper bound for the value function by considering a sell‐back policy. Subsequently, it is shown that policies of similar structure are optimal when the loan and deposit interest rates are piecewise linear functions, when there is a maximal loan limit and when unsatisfied demand is backordered. Finally, further managerial insights are provided with extensive numerical studies. 相似文献
327.
In this article we explore social movement solidarity through an examination of narratives offered by participants in a metaphysical movement. Drawing from contemporary social movement theory, we focus on how members develop a carefully built collective identity that perpetuates movement goals and ideology. Data for this project are drawn from in-depth interviews with local psychics, participant observation in various metaphysical fairs, and document analysis. We find that the movement's collective identity is centered around several narratives that help establish boundaries, identify antagonists, and create a collective consciousness. Together these narratives form a web of belief that binds members to the movement. The data we present in this article have implications for understanding other expressive movements, as well as for social movement theory in general. 相似文献
328.
This research examines female leaders' responses to the gender–leader stereotype and the role of leadership self-efficacy in these responses. Using the biopsychosocial model of threat and challenge, this laboratory experiment examined women's cardiovascular, behavioral (i.e., performance), and self-report responses to the negative female leader stereotype as a function of leadership efficacy. Female participants, selected on leadership efficacy scores, served as leaders of ostensible three-person groups within an immersive virtual environment. Half were explicitly primed with the negative stereotype. As predicted, women with high, as opposed to low, percepts of leadership self-efficacy exhibited cardiovascular patterns of threat when performing the leadership task, and they performed better in the explicit stereotype activation condition compared to those not explicitly primed. Additionally, this threat was consistent with positive reactance responses on behavioral and self-report measures. Low efficacy leaders were not threatened, but they did show stereotype priming effects by assimilating to the negative stereotype on the self-report and behavioral measures. This research provides greater insight into stereotype reactance effects and highlights the role of self-efficacy in moderating stereotype threat and stereotype priming effects. 相似文献
329.
The Prevention of Homelessness Revisited 总被引:1,自引:0,他引:1
Marybeth Shinn Jim Baumohl & Kim Hopper 《Analyses of Social Issues and Public Policy》2001,1(1):95-127
Conceptual and methodological problems plague efforts to prevent homelessness. Attempts to identify individuals at risk are inefficient, targeting many people who will not become homeless for each person who will. Such interventions may do useful things for needy people, but evidence that they prevent homelessness is scant. Subsidized housing, with or without supportive services, has ended homelessness for families and played a key role in ending it for people with serious mental illnesses. Other risk factors may be less important once housing is secured. But programs that allocate scarce housing may simply reallocate homelessness, determining who goes to the head of the line for housing, not shortening the line itself. We recommend reorienting homelessness prevention from work with identified at-risk persons to efforts to increase the supply of affordable housing and sustainable sources of livelihood nationwide or in targeted communities. 相似文献
330.
This paper reports three studies of occupational stress investigating the role of social support as an intervening variable in the Job Strain Model (Karasek, 1979). A computer simulated mail-sorting work environment was used to assess the effect of demands, control and social support on measures of strain, satisfaction, and perceived and actual task performance. The first experiment ( N =60) tests the basic Job Strain Model by manipulating levels of task demand and control. The second experiment ( N =120) compares high and low levels of two types of social support (informational support and emotional support) to determine whether and how they interact with extreme conditions of the Job Strain Model (high strain and low strain). The final experiment ( N =90) investigates positive and negative forms of social support (praise and criticism) in relation to extreme job strain conditions. Results show that the job strain model is consistent with the stress and performance data, although stress showed no Demand ×Control interaction. Social supports increased arousal, satisfaction and perceived performance, but did not affect stress or task performance. Moreover, contrary to buffer theories, social supports did not interact with the job strain variables. Congruence between preferred and experienced emotional support levels also predicted performance. 相似文献