This paper develops an MILP model, named Satisfactory-Green Vehicle Routing Problem. It consists of routing a heterogeneous fleet of vehicles in order to serve a set of customers within predefined time windows. In this model in addition to the traditional objective of the VRP, both the pollution and customers’ satisfaction have been taken into account. Meanwhile, the introduced model prepares a...

The present study tested Lent's (2004) social-cognitive model of normative well-being in a sample (N = 414) of first- and non-first-generation college students. A model depicting relationships between: positive affect, environmental supports, college self-efficacy, college outcome expectations, academic progress, academic satisfaction, and life satisfaction was examined using structural equatio...

understanding the antecedents and consequences of customer satisfaction in the mobile communications market is important. this study explores the effects of service quality, trust and perceived value on customer satisfaction, which, in turn, affects continuance intention of mobile services. service quality and customer satisfaction were measured by multiple dimensions. a research model was deve...

In this study, we used Lent's (2004) social cognitive model of well being to examine the academic and life satisfaction of 457 Mexican American college students attending a Hispanic-Serving Institution. Using structural equation modeling, results indicated that the model provided a good fit to the data. Specifically, we found positive relations from positive affect to enculturation, acculturati...

background post-mastectomy breast reconstruction is commonly performed in the united states with numerous options available to patients and providers. this study evaluated patient race and provider in prediction of patient satisfaction following post-mastectomy breast reconstruction. methods the patient satisfaction for women who underwent post mastectomy breast reconstruction at university of ...

the present study investigated the mediating role of organizational citizenship behavior (ocb) in the relationship between job satisfaction, turnover, and organizational identification. the population of the present study included all employees working at tehran municipality at district 2 and the sample consisted of 260 employees selected using random sampling and cochran formula. the research ...

present study tested a model consisting work ability as dependent variable and leadership effectiveness and perceived organizational support as independent variable, with job satisfaction as its mediator. data were gathered from a sample of 330 employees of an industrial organization in iran, who were selected by stratified random sampling method. of this sample, 72 percent were men and average...