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  • SpringerLink  (299)
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  • 1
    Language: English
    In: Journal of Business Market Management, 2010, Vol.4(4), pp.231-245
    Description: Based on the concept of service-dominant logic as the emerging organizing logic of marketing that would replace the traditional goods-dominant view, Vargo and Lusch (2004) originally proposed that among several other approaches to research and marketing practice that had emerged, relationship marketing would be subsumed by this broader view. More recently, however, Vargo (2009) suggested that because relationship marketing focuses on increasing the series of on-going transactions with a customer, coupled with the goal of enhancing their long-term patronage, that relationship marketing extends the goods-dominant perspective, rather than transcending into the service-dominant logic. This article counters that the relationship marketing view of the customer has already transcended the goods-dominant view to the to service-dominant view based on the way that customers are brought into the relationship as active participants in the service creation, and act as “co-producers” of value. To address the apparent goods-dominant approach in two widely used relationship marketing practices and measures, customer relationship management and customer lifetime value, this article proposes that these tools can be used from a goods-dominant view, but they can also serve as essential steps towards the practice of relationship marketing from the service-dominant logic.
    Keywords: Service-dominant logic ; Relationship marketing ; CRM ; CLV
    ISSN: 1864-0753
    E-ISSN: 1864-0761
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  • 2
    In: Clinical Orthopaedics and Related Research, 2011, Vol.469(9), pp.2658-2658
    Description: Byline: Paul E. Beaule (1), Fredrick J. Dorey (1), Michel J. Le Duff (1), Thomas Gruen (1), Harlan C. Amstutz (1) Author Affiliation: (1) David Geffen School of Medicine at UCLA, Joint Replacement Institute at Orthopaedics Hospital, 2400 S. Flower St., Los Angeles, CA, 90007, USA Article History: Registration Date: 29/06/2011 Online Date: 19/07/2011
    Keywords: Orthopedic Surgery;
    ISSN: 0009-921X
    E-ISSN: 15281132
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  • 3
    Language: English
    In: Intensive Care Medicine, 2016, Vol.42(1), pp.3-15
    Description: INTRODUCTIONThe Glasgow Coma Scale (GCS) provides a structured method for assessment of the level of consciousness. Its derived sum score is applied in research and adopted in intensive care unit scoring systems. Controversy exists on the reliability of the GCS. The aim of this systematic review was to summarize evidence on the reliability of the GCS. METHODSA literature search was undertaken in MEDLINE, EMBASE and CINAHL. Observational studies that assessed the reliability of the GCS, expressed by a statistical measure, were included. Methodological quality was evaluated with the consensus-based standards for the selection of health measurement instruments checklist and its influence on results considered. Reliability estimates were synthesized narratively. RESULTSWe identified 52 relevant studies that showed significant heterogeneity in the type of reliability estimates used, patients studied, setting and characteristics of observers. Methodological quality was good (n = 7), fair (n = 18) or poor (n = 27). In good quality studies, kappa values were ≥0.6 in 85%, and all intraclass correlation coefficients indicated excellent reliability. Poor quality studies showed lower reliability estimates. Reliability for the GCS components was higher than for the sum score. Factors that may influence reliability include education and training, the level of consciousness and type of stimuli used. CONCLUSIONSOnly 13% of studies were of good quality and inconsistency in reported reliability estimates was found. Although the reliability was adequate in good quality studies, further improvement is desirable. From a methodological perspective, the quality of reliability studies needs to be improved. From a clinical perspective, a renewed focus on training/education and standardization of assessment is required.
    Keywords: Glasgow Coma Scale ; Glasgow Coma Score ; Grading scales ; Reliability ; Reproducibility of results ; Systematic review
    ISSN: 0342-4642
    E-ISSN: 1432-1238
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  • 4
    Language: English
    In: Journal of the Academy of Marketing Science, 2017, Vol.45(3), pp.357-376
    Description: Serving as mental models, psychological contracts guide consumers’ service interactions with their service providers. This study incorporates a psychological contract perspective into the relationship marketing literature, exploring service customers’ beliefs about the terms and conditions of the resource exchange process and the types of relationships they form with service providers. It provides new insights that explain why and how some customers respond favorably to a company’s relationship overtures and investments while others do not. A latent class analysis on a sample of 700 consumers across three different service industries reveals that consumers form four distinct types of psychological contracts: relational, standard, transitional, and captive. To further validate the differences between the contract types, open-ended responses from the respondents were sorted by each class. The distinctive themes that emerged provide a richer understanding of the characteristics of each class beyond those inferred from the quantitative results. Each contract type is also profiled against its underlying level of trust, satisfaction, and commitment to understand the relationship between the contract types and these traditional relationship marketing variables. Marketers can differentiate their relationship marketing strategies and allocate their resource investments more effectively by segmenting consumers according to their psychological contract type.
    Keywords: Psychological contract ; Relational schema ; Classification ; Services ; Relationship marketing
    ISSN: 0092-0703
    E-ISSN: 1552-7824
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  • 5
    In: Clinical Orthopaedics and Related Research, 2013, Vol.471(9), pp.2899-2905
    Description: BACKGROUND: Musculoskeletal injuries are common in patients with multiple trauma resulting in pain, functional deficits, and disability. Traumatic brain injuries (TBIs) are common in severely injured patients potentially resulting in neurological impairment and permanent disability that would add to that from the musculoskeletal injuries. However, it is unclear to what degree the combination affects impairment. QUESTIONS/PURPOSES: We therefore asked whether added upper extremity injuries or TBI worsened the functional, psychological, and vocational status in multiple trauma patients. METHODS: We retrospectively reviewed 281 patients with multiple trauma: 229 with upper extremity injuries but without TBI (Group I), 32 with concomitant upper extremity injuries and TBI (Group II), and 20 with TBI but no upper extremity injuries (Group III). We assessed patients with the Glasgow Outcome Score (GOS), Hannover Score for Polytrauma Outcome, SF-12 (Physical Component Summary Score and Mental Component Summary Score), medical aid requirements, need of psychological support, and vocational living circumstances. The minimum followup was 10 years (median, 17.5 years; range, 10-28 years). RESULTS: Additional TBI in multiple trauma patients led to reduced function (GOS: Group I: 4.9 ± 0.2, Group II: 4.5 ± 0.7, Group III: 4.5 ± 0.8) resulting in vocational restrictions (job change: Group I: 74%, Group II: 91%, Group III: 90%). The combination of upper extremity and TBIs did not result in worse long-term scores compared with TBI alone. CONCLUSIONS: Rehabilitation and social reintegration in multiple trauma patients with TBI requires particular emphasis to minimize disability and vocational isolation. Musculoskeletal injuries should not be neglected to ensure the maximum extremity function given the impaired cognitive functions after TBI. LEVEL OF EVIDENCE: Level III, therapeutic study. See Guidelines for Authors for a complete description of levels of evidence.
    Keywords: Brain Injuries -- Patient Outcomes;
    ISSN: 0009-921X
    E-ISSN: 15281132
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  • 6
    Language: English
    In: Applied Mathematics & Optimization, 2012, Vol.66(3), pp.363-385
    Description: We investigate a two-player zero-sum stochastic differential game in which one of the players has more information on the game than his opponent. We show how to construct numerical schemes for the value function of this game, which is given by the solution of a quasilinear partial differential equation with obstacle.
    Keywords: Stochastic differential games ; Information incompleteness ; Viscosity solutions ; Approximation
    ISSN: 0095-4616
    E-ISSN: 1432-0606
    Source: Springer Science & Business Media B.V.
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  • 7
    Language: German
    In: HNO, 2011, Vol.59(1), pp.38-44
    Description: Byline: T. Keck (1,2219,2,2219), A. Rozsasi (1,2219), P.M. Gruen (1,2219) Keywords: Nasenhohle; Atemphysiologie; Nasenobstruktion; Atemwegsobstruktion; Conchae nasales; Nasal cavity; Respiratory physiological phenomena; Nasal obstruction; Airway obstruction; Turbinates Abstract (German): Ziel Ubersicht uber die Atemluftkonditionierung in der Nase zur Gewahrleistung des Gasaustausches sowie uber den Forschungsbedarf der Abwehr- und Reinigungsmechanismen an der respiratorischen Schleimhaut der Nase. Methoden Die Ubersichtsarbeit wurde auf der Basis einer selektiven Literaturubersicht der Autoren erstellt. Einbezogen wurden In-vivo-Messungen und Computersimulationen der oberen Luftwege sowie eigene klinische Daten. Ergebnisse und Diskussion Gesunde Menschen atmen normalerweise durch die Nase, auch wenn die Nasenwege einen signifikant hoheren Atemwegswiderstand aufweisen als die Mundhohle, die z. B. bei sportlicher Tatigkeit, Verlegungen der Nase oder allergischer Rhinitis unwillkurlich zur Atmung geoffnet wird. Die Hauptaufgaben der Atmung durch die Nase, neben der Riechwahrnehmung, sind die Filtration und Abwehr von eingeatmeten Luftpartikeln und die Konditionierung (Erwarmung und Befeuchtung) der Einatemluft auf intrapulmonale Bedingungen. Der derzeitige Kenntnisstand der nasalen Konditionsprozesse wird erlautert. Des Weiteren werden Forschungsgebiete mit besonderer Bedeutung fur Diagnostik und Interventionen bei entsprechenden Pathologien des oberen Luftwegs vorgestellt. Abstract: Introduction We present a review of nasal-air conditioning, a process essential to undisturbed gas exchange and cleansing of the respiratory mucosa in the nose. Methods A selective literature review was made on the basis of in vivo measurements and computer simulation of the upper airways as well as the authors' own clinical and experimental data. Results and discussion Healthy subjects normally breathe through the nose, although the nasal airways have significantly higher airway resistance compared to the oral cavity, which is opened for breathing during exercise, in the case of nasal airway blockage, or in allergic rhinitis. In addition to olfaction, the main tasks of nasal breathing include: cleansing, defense, and conditioning (i.e., humidification and heating). The current knowledge of nasal conditioning processes will be discussed. In addition, research activities of particular relevance for diagnosis and intervention in various pathologies of the upper airways will be presented. Author Affiliation: (12219) Abteilung fur Hals-, Nasen-, Ohrenheilkunde, Kopf-, Hals- und Plastische Gesichtschirurgie, Krankenhaus der Elisabethinen GmbH, Akademisches Lehrkrankenhaus der Medizinischen Universitat Graz, Elisabethinergasse 14, 8020, Graz, Osterreich (22219) Medizinische Fakultat, Universitat Ulm, Ulm, Deutschland Article History: Registration Date: 12/10/2010 Online Date: 16/12/2010
    Keywords: Nasal cavity ; Respiratory physiological phenomena ; Nasal obstruction ; Airway obstruction ; Turbinates
    ISSN: 0017-6192
    E-ISSN: 1433-0458
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  • 8
    Language: English
    In: OR Spectrum, 2014, Vol.36(4), pp.923-948
    Description: Due to natural or man-made disasters, the evacuation of a whole region or city may become necessary. Apart from private traffic, the emergency services also need to consider transit-dependent evacuees which have to be transported from collection points to secure shelters outside the endangered region with the help of a bus fleet. We consider a simplified version of the arising bus evacuation problem (BEP), which is a vehicle scheduling problem that aims at minimizing the network clearance time, i.e., the time needed until the last person is brought to safety. In this paper, we consider an adjustable robust formulation without recourse for the BEP, the robust bus evacuation problem (RBEP), in which the exact numbers of evacuees are not known in advance. Instead, a set of likely scenarios is known. After some reckoning time, this uncertainty is eliminated and planners are given exact figures. The problem is to decide for each bus, if it is better to send it right away—using uncertain information on the evacuees—or to wait until the the scenario becomes known. We present a mixed-integer linear programming formulation for the RBEP and discuss solution approaches; in particular, we present a tabu search framework for finding heuristic solutions of acceptable quality within short computation time. In computational experiments using both randomly generated instances and the real-world scenario of evacuating the city of Kaiserslautern, Germany, we compare our solution approaches.
    Keywords: Disaster management ; Evacuation planning ; Robust optimization ; Uncertain optimization
    ISSN: 0171-6468
    E-ISSN: 1436-6304
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  • 9
    Language: English
    In: Social Indicators Research, 2007, Vol.82(2), pp.311-336
    Description: The issue of what determines subjective well-being has been at the centre of a recent flurry of research in the economics field. A necessary part of this understanding is the role relative positions (economic, social, geographic) of economic agents, particularly individuals, play in life (commonly referred to in the literature as rivalry). In this paper, we concentrate on whether the structure of happiness equations of South Africa are the same/similar to those of developed countries. The analysis uses three of the Durban Quality of Life Studies. Firstly these three data series are pooled and a variety of covariates are tested for their significance on happiness. These include age, marital status, employment status, household income and relative household income. Next we estimate yearly cross-sectional models to see if there are consistent findings of what determines happiness across the period considered. Our findings indicate there may be some structural differences between results from the Durban studies and those of international findings. Age appears to play no role in happiness likelihood, nor does marital status. Being unemployed does significantly and negatively effect happiness as does the size of household income, relative household income and whether living in a formal dwelling place. When we distinguish between employment categories we find that being self-employed negatively affects happiness, contradicting findings for developed countries.
    Keywords: Subjective Well-Being ; Quality of Life ; South Africa
    ISSN: 0303-8300
    E-ISSN: 1573-0921
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  • 10
    Language: English
    In: Journal of the Academy of Marketing Science, 2007, Vol.35(4), pp.537-549
    Description: Value creation through customer-to-customer exchange occurs when the perceived benefits of a company’s offering are increased as a result of customers’ interaction with one another. C2C exchange exists in a wide variety of service environments, both online and face-to-face. Drawing on the motivation, opportunity, and ability (MOA) framework, this research presents and tests a theoretical model that examines antecedents and outcomes of C2C exchange in the context of face-to-face networking behaviors at professional association meetings. Data were obtained from a survey of conference attendees, and the hypotheses were tested using moderated regression and path analysis. The results show a three-way interaction effect among the MOA factors, that the MOA model does predict the level of C2C exchange, and that C2C exchange does enhance service value perceptions and customer loyalty intentions.
    Keywords: Customer-to-customer ; C2C ; Exchange ; Value ; Services marketing ; Associations ; Members ; MOA ; Motivation ; Opportunity ; Ability ; Loyalty ; Know-how ; Interaction effect
    ISSN: 0092-0703
    E-ISSN: 1552-7824
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