دانلود و نمایش مقالات مرتبط با Mediation::صفحه 6
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نتیجه جستجو - Mediation

تعداد مقالات یافته شده: 129
ردیف عنوان نوع
51 Effects of entrepreneurship and IT fashion on SMEs’ transformation toward cloud service through mediation of trust
تاثیرات کارآفرینی و فناوری اطلاعات روی تغییرشکل SME ها به سمت خدمات ابری ازطریق وساطت اعتماد-2018
This study draws from strategic choice theory, management fashion theory, and trust research to investigate organizational transformation toward cloud service. Considering organizations’ substantive rationality, this study proposes that SMEs’ entrepreneurial orientation and the institutional pressures received from the marketplace provide motives for their cloud transformation intention. These influences are mediated by a complex trust-building process. A survey involving 107 Chinese SMEs was conducted to validate our research model. The results illustrate that SMEs’ trust building toward the cloud-related situation and artifact plays a critical role in mediating the effects of strategic orientation and institutional pressures on their cloud transformation.
keywords: Cloud service| Innovation adoption| Entrepreneurship| Institutional pressure| Trust| Management fashion
مقاله انگلیسی
52 Examining social capital, organizational learning and knowledge transfer in cultural and creative industries of practice
بررسی سرمایه اجتماعی، یادگیری سازمانی و انتقال دانش در صنایع فرهنگی و خلاقیت تمرین-2018
With the increasing growth of the tourism market, cultural and creative industries are being flooded with new attractions and cultural routes and are providing significant benefits for social and economic development. This study used a multiple mediation examination process to investigate the relationships between social capital, organizational learning and knowledge transfer. Findings from the archival data of 432 Taiwanese cultural and creative firms indicate that organizational learning (e.g., exploitative learning and explorative learning) is the critical mechanism linking the relationship between social capital and knowledge transfer. More importantly, this study also presents a view of absorptive capability as a moderator and offers evidence that qualities such as capabilities can lead to effective knowledge transfer when cultural and creative firms have a higher level of organizational learning intention. Using single and multiple perspectives of constructs and conduct, our version of the mediation-moderation model is more complex than prior tourism or management studies have shown.
Keywords: Social capital ، Organizational learning ، Absorptive capability ، Knowledge transfer
مقاله انگلیسی
53 Monitoring soil lead and zinc contents via combination of spectroscopy with extreme learning machine and other data mining methods
نظارت بر سرب خاک و محتوای روی از طریق ترکیبی از طیف سنجی با دستگاه یادگیری شدید و دیگر روش های داده کاوی-2018
In order to limit pollution risk and develop proper remediation strategies, soil quality has to be controlled by rapid and sustainable monitoring measures. Visible and near-infrared reflectance spectroscopy (VisNIR) is an attractive surrogate to time-consuming and costly classical soil assessment protocols. It highly depends on se lecting appropriate data mining methods for regression analysis. In this study, performance of a state of the art learning algorithm called extreme learning machine (ELM), was evaluated through comparing with the other calibration methods proposed in the literature for predicting lead (Pb) and Zinc (Zn) concentrations. Solid samples collected from a mine waste dump (n = 120) were scanned using a Fieldspec3 portable spectro radiometer with a measurement range of (350–2500 nm) in a laboratory. Transformation of the reflectance spectra to absorbance was followed by three pre-processing scenarios including Savitzky-Golay smoothing (SG), first derivative (FD) and second derivative (SD). Partial Least Square Regression (PLSR), Support Vector Machine (SVM) and neural networks with two learning algorithms models (back propagation and extreme learning machine), were calibrated on spectral features selected by genetic algorithm, and then applied to predict soil metal concentrations. The best prediction accuracy was obtained by FD-ELM method with R2p, RMSEp, con cordance correlation coefficient and RPD values of 0.93, 63.01, 0.98 and 5.92 for Pb and 0.87, 167.90, 0.91 and 5.62 for Zn, respectively. Study of the prediction mechanism proved that element sorption by spectrally active Fe-oxide and clay contents of the soil was the major mechanism by which the spectrally featureless Pb and Zn ions can be predicted. The spatial patterns of predicted toxic elements showed that FD-ELM had the most si milarity with those maps obtained by interpolating measured values. Over all, it is concluded that reflectance spectroscopy combined with the ELM algorithm is a rapid, inexpensive and accurate tool for indirect evaluation of Pb and Zn and mapping their spatial distribution in dumpsite soils of Sarcheshmeh copper mine.
Keywords: Mine waste dump ، Toxic elements ، Spectroscopy ، Binding mechanism ، Extreme learning machine ، Geostatistical interpolation
مقاله انگلیسی
54 بررسی نقش دلبستگی در رابطه بین سختی های دوران کودکی ، پریشانی روانی و رفاه ذهنی
سال انتشار: 2018 - تعداد صفحات فایل pdf انگلیسی: 13 - تعداد صفحات فایل doc فارسی: 35
سختی های دوران کودکی با طیف وسیعی از پیامدهای روانی مضر همراه است. این مطالعه نقش میانجی گر دلبستگی خاصی در رابطه (اجتناب و اضطراب) را در ارتباط بین سختی های دوران کودکی و پریشانی روانی و رفاه ذهنی مورد بررسی قرار داد. دانشجویان دانشگاه (N = 190) سراسر جمهوری ایرلند مقیاس‌های خودگزارشی شامل مقیاس تجربیات نامطلوب دوران کودکی، تجربیات در روابط نزدیک - مقیاس ساختارهای رابطه، مقیاس‌های اضطراب و استرس افسردگی و مقیاس‌های بهزیستی ذهنی را تکمیل کردند. صد و بیست و هشت شرکت کننده (67.4٪) حداقل یک تجربه نامطلوب دوران کودکی را گزارش کردند. سختی های دوران کودکی با علائم پریشانی روانی و رفاه ذهنی مرتبط بود. تمام این روابط توسط ابعاد دلبستگی رابطه ای خاص میانجیگری می‌شوند. از این میان، اضطراب دلبستگی در روابط عمومی برجسته ترین میانجی برای پریشانی روانی و رفاه ذهنی بود. دلبستگی به پدر و شریک عشقی خود هیچ تاثیر میانجیگری بر روی این روابط نداشت. این یافته ها نشان می دهد که دلبستگی، به ویژه دلبستگی در روابط، عامل مهمی در ارتباطات بین سختی های دوران کودکی و پریشانی روانی و رفاه ذهنی در بزرگسالی است. اضطراب دلبستگی فرد در روابط عمومی به ویژه در این وابستگی ها اهمیت دارد. مداخلات درمانی برای پرداختن به این حوزه های دلبستگی ممکن است اثرات مضر ناملایمات دوران کودکی را خنثی کند. تحقیقات آینده با استفاده از طراحی طولی مورد نیاز است.
کلید واژه ها: سختی های دوران کودکی | دلبستگی | افسردگی | اضطراب | میانجیگری | رفاه ذهنی
مقاله ترجمه شده
55 Promises of structured relationship building for higher distance education: Evaluating the effects of a virtual fast-friendship procedure
نویدهای ساخت رابطه ساختاریافته برای آموزش عالی از راه دور: بررسی تاثیرات یک روند دوستی مجازی سریع-2018
The main aim of the present research is to introduce and evaluate the effects of a virtual relationship-building program designed to foster social integration among distance education students. To achieve this purpose, the authors developed a Moodle-based adaptation of Aron et al.’s (1997) “fast-friendship procedure.” The evaluation has employed a longitudinal randomized delayed intervention group design with an additional non-random comparison group (intervention groups: N = 855, comparison group: N = 754). Significant and practically relevant program effects on interpersonal liking and perceived social integration have been confirmed through mixed-model ANOVAs, using multiple comparison groups, individual and dyadic data, and socio-demographic controls. Mediational analyses have further confirmed that program participation had a significant and positive effect on the end-of-semester exam attendance of distance students, mediated by program-induced social integration. The theoretical and practical implications of these findings are discussed below.
keywords: Distance education |Social integration |Program evaluation |Exam attendance
مقاله انگلیسی
56 Mobile social tourism shopping: A dual-stage analysis of a multi-mediation model
خرید موبایلی گردشگری اجتماعی: یک تحلیل دو مرحله ای یک مدل چند واسطه ای-2018
This study investigates mobile social tourism (MST) shopping, which refers to the use of MST platforms in shopping for tourism products and services, among Malaysian domestic tourists who have visited George Town, which is a UNESCO World Cultural Heritage Site located in Penang. Drawing upon the Stimulus-Organism-Response (SOR) framework, a multi-mediation model is proposed to address this relatively new research avenue. Through the use of Partial Least Squares Structural Equation Modelling and Artificial Neural Network analyses, it was discovered that the environmental stimuli (i.e., perceived mobility, social presence, and system and service quality) directly and indirectly influence tourists MST shopping intention through their inner organism changes (i.e., perceived usefulness and perceived enjoyment). The results support the application of the SOR framework in MST shopping, as most of the developed hypotheses are supported. Practical and theoretical implications are subsequently discussed in light of the results.
keywords: Mobile social tourism shopping |Tourism products and services |Stimulus-Organism-Response framework |Partial Least Squares Structural Equation Modelling |Artificial Neural Network analysis |Multiple mediation analysis
مقاله انگلیسی
57 Crisis management in new product development: A tale of two stories
مدیریت بحران در توسعه محصول جدید: داستان دو داستان-2018
This research examines how firms manage crises in new product development (NPD), and suggests that a high level of perceived crisis can result in better new product performance. In addition, the role of team commu nication is underlined in the relationship between perceived crisis and new product performance. Team com munication is categorized into two types: formal vs. informal, each playing a distinct role in crisis management. More importantly, this study argues that there exist dual routes in the crisis-performance relationship: mediation and moderation. A survey study is implemented for hypothesis testing, and data is collected from 119 NPD teams in high-tech industries. Results show that formal communication partially mediates the relationship between perceived crisis and new product performance, and that there is also a direct effect of perceived crisis on per formance. Meanwhile, formal communication negatively moderates the direct effect of perceived crisis on new product performance, while informal communication positively moderates this effect. The co-existence of mediation and moderation results in a managerial dilemma regarding formal communication: it positively mediates but negatively moderates the crisis-performance link. Findings suggest that informal communication can play a complementary role in offsetting the negative influence of formal communication.
Keywords: Crisis ، Formal communication ، Informal communication ، New product development
مقاله انگلیسی
58 Understanding the effects of eWOM social ties on purchase intentions: A moderated mediation investigation
درک تاثیرات قیدهای اجتماعی WOM الکترونیک روی قصدهای خرید: یک بررسی وساطت ملایم-2018
Electronic word-of-mouth (eWOM) social ties have been well recognized to exert influence on consumer decision making. However, the underlying mechanism through which eWOM social ties impart influence remains unclear. This study develops a moderated mediation model that incorporates perceived value to explain the effects of eWOM social ties (strong-tie and weak-tie eWOM) on purchase intentions. The research model and hypotheses are empirically test with 286 valid responses. Results reveal a double-edge” moderating role of weak-tie eWOM. Weak-tie eWOM is found to positively moderate the relationship between perceived value and purchase intentions, while it has a negative moderating effect on the relationship between strong-tie eWOM and purchase intentions. Furthermore, when weak-tie eWOM is high, there is a significant indirect effect of strong-tie eWOM on purchase intentions through perceived value, whereas the indirect effect becomes non-significant under a low level of weak-tie eWOM. These findings shed light on the influencing pathways of eWOM social ties on consumer purchase intentions, and provide some implications for theory and practice in evoking purchase intentions.
keywords: Empirical research|e-WOM |Moderated mediation model |Perceived value |Purchase intentions |Social ties
مقاله انگلیسی
59 راهبرد بهره برداری و عملکرد صادرکنندگان تولیدی قراردادی: نقش های واسطه راهبرد بهره برداری و قابلیت بازاریابی
سال انتشار: 2018 - تعداد صفحات فایل pdf انگلیسی: 13 - تعداد صفحات فایل doc فارسی: 34
صادرکنندگان تولیدی قراردادی سهم کمی از سود زنجیره ارزش جهانی را دریافت می کنند که به طور عمده به خاطر ماهیت پیش پاافتاده و بهره برداری فعالیت های انجام شده در روابط وابستگی خود با شرکت های کلان می باشد. طبق پیشنهاد مقاله حاضر، صادرکنندگان تولیدی قراردادی می توانند عملکرد خود را با سرمایه گذاری در راهبرد بهره برداری ارتقاء دهند. راهبرد بهره برداری باعث راهبرد اکتشاف می گردد که مسلتزم ایجاد قابلیت های بازاریابی برای عملکرد ارتقاء یافته می باشد. طبق داده های 154 صادرکننده تولیدی قراردادی ویتنامی، تاثیرت واسطه ای غیر مستقیمی را می یابیم: 1-راهبرد اکتشاف بین راهبرد بهره برداری و عملکرد صادرات و 2- قابلیت بازاریابی بین راهبرد اکتشافی و عملکرد صادرات. به علاوه نقش واسطه ای غیرمستقیم، عمده و ترتیبی راهبرد اکتشاف و قابلیت بازاریابی بین راهبرد بهره برداری و عملکرد صادرات یافتیم. یافته ها همچنین بر اساس نقل قول های تشریحی برگرفته از مصاحبات رو در رو با مدیران ارشد 10 صادرکننده تولیدی قراردادی ویتنامی پشتیبانی و زمینه سازی شدند. این یافته ها نشان می دهند صادرکنندگان تولیدی قراردادی که به طور آگاهانه در راهبرد بهره برداری سرمایه گذاری می کنند، در پی فرصت های اکتشاف اند و قابلیت بازاریابی خود را پایه گذاری می کنند، عملکرد ارتقاء یافته ای از خود نشان می دهند.
کلید واژه: صادرکنندگان تولیدی قراردادی | زنجیره های ارزش جهانی | راهبرد بهره برداری | راهبرد اکتشاف | قابلیت بازاریابی | عملکرد صادرات |ویتنام
مقاله ترجمه شده
60 Ethical leadership and employee knowledge sharing: Exploring dual-mediation paths
رهبری اخلاقی و به اشتراک گذاری دانش کارکنان: بررسی مسیرهای دوجانبه گیری-2018
Drawing on social learning and self-determination theories, this study investigates the mediating effects of controlled motivation for knowledge sharing and moral identity in the relationship between ethical leadership and employee knowledge sharing. We conducted a field study with 337 full-time employees to test our hy potheses. Results supported the mediating effects of both controlled motivation and moral identity in accounting for the relationship between ethical leadership and employee knowledge sharing. Our study is among the first to examine whether and why ethical leadership predicts employee knowledge sharing. Theoretical and practical implications are discussed.
Keywords: Ethical leadership ، Knowledge sharing ، Moral identity ، Controlled motivation
مقاله انگلیسی
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