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  • 1
    Language: English
    In: Perspectives on psychological science, 2014-07-01, Vol.9 (4), p.388-407
    Description: In this article, I present a framework for understanding the impact of aging-related declines in cognitive resources on functioning. I make the assumption that aging is associated with an increase in the costs of cognitive engagement, as reflected in both the effort required to achieve a specific level of task performance and the associated depletion or fatigue effects. I further argue that these costs result in older adults being increasingly selective in the engagement of cognitive resources in response to these declines. This selectivity is reflected in (a) a reduction in the intrinsic motivation to engage in cognitively demanding activities, which, in part, accounts for general reductions in engagement in such activities, and (b) greater sensitivity to the self-related implications of a given task. Both processes are adaptive if viewed in terms of resource conservation, but the former may also be maladaptive to the extent that it results in older adults restricting participation in cognitively demanding activities that could ultimately benefit cognitive health. I review supportive research and make the general case for the importance of considering motivational factors in understanding aging effects on cognitive functioning.
    Subject(s): adaptation ; adult development ; Adult. Elderly ; Adulthood ; Age ; Age groups ; aging ; Biological and medical sciences ; Cognition ; Developmental psychology ; Fundamental and applied biological sciences. Psychology ; Memory ; Motivation ; Motivation research ; Need for cognition ; Older adults ; Perception ; Psychology. Psychoanalysis. Psychiatry ; Psychology. Psychophysiology ; selectivity ; Special Section on Protective Factors in Cognitive Aging
    ISSN: 1745-6916
    E-ISSN: 1745-6924
    Source: JSTOR Life Sciences
    Source: Alma/SFX Local Collection
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  • 2
    Language: English
    In: Journal of management information systems, 2012-07-01, Vol.29 (1), p.237-272
    Description: Despite the importance of online product recommendations (OPRs) in e-commerce transactions, there is still little understanding about how different recommendation sources affect consumers' beliefs and behavior, and whether these effects are additive, complementary, or rivals for different types of products. This study investigates the differential effects of provider recommendations (PRs) and consumer reviews (CRs) on the instrumental, affective, and trusting dimensions of consumer beliefs and shows how these beliefs ultimately influence continued OPR usage and product purchase intentions. This study tests a conceptual model linking PRs and CRs to four consumer beliefs (perceived usefulness, perceived ease of use, perceived affective quality, and trust) in two different product settings (search products versus experience products). Results of an experimental study show that users of PRs express significantly higher perceived usefulness and perceived ease of use than users of CRs, while users of CRs express higher trusting beliefs and perceived affective quality than users of PRs, resulting in different effect mechanisms toward OPR reuse and purchase intentions in e-commerce transactions. Further, CRs were found to elicit higher perceived usefulness, trusting beliefs, and perceived affective quality for experience goods, while PRs were found to unfold higher effects on all of these variables for search goods.
    Subject(s): Belief & doubt ; Buying behavior ; Cognition ; Cognitive models ; Consumer behavior ; Consumer information ; consumer reviews ; Customer feedback ; e-commerce ; Electronic commerce ; Information storage and retrieval systems ; Management information systems ; online product recommendations ; perceived affective quality ; perceived usefulness ; Perception ; Perceptual experiences ; provider recommendations ; Recommendations ; Shopping ; Studies ; technology acceptance and usage ; trusting beliefs
    ISSN: 0742-1222
    E-ISSN: 1557-928X
    Source: International Bibliography of the Social Sciences (IBSS)
    Source: JSTOR Arts & Sciences X
    Source: Business Source Ultimate
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  • 3
    Article
    Article
    2015
    ISSN: 2363-7005  ISSN: 1867-0202 
    Language: English
    In: Business & information systems engineering, 2015-08-04, Vol.57 (5), p.339-343
    Description: Byline: Christian Matt (1), Thomas Hess (1), Alexander Benlian (2) Keywords: Digital transformation framework; Cross-functional strategy; Digital technologies Author Affiliation: (1) Institute for Information Systems and New Media, Ludwig-Maximilians-Universitat Munchen, Ludwigstr. 28, 80539, Munich, Germany (2) Chair of Information Systems and E-Services, Technische Universitat Darmstadt, Hochschulstra[sz]e 1, 64289, Darmstadt, Germany Article History: Registration Date: 27/07/2015 Received Date: 14/05/2015 Accepted Date: 01/07/2015 Online Date: 04/08/2015 Article note: Accepted after one revision by Prof. Dr. Sinz.
    Subject(s): Business and Management ; Business/Management Science, general ; Catchword ; Cross-functional strategy ; Digital technologies ; Digital transformation framework ; Economics / Management Science ; Economics/Management Science, general ; general ; IT in Business
    ISSN: 2363-7005
    ISSN: 1867-0202
    E-ISSN: 1867-0202
    Source: Alma/SFX Local Collection
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  • 4
    Article
    Article
    2014
    ISSN: 1424-1277 
    Language: English
    In: International journal on media management (Saint Gall, Switzerland), 2014-01-02, Vol.16 (1), p.3-8
    Description: The current understanding of a media company is based on the idea of a publisher or broadcaster producing or aggregating, bundling, and distributing content. In this scenario, the content creation mainly is done by professionals. However, with the advent of mobile devices and ubiquitous Internet access, users have been enabled to produce content themselves. This gave rise to a new form of media companies: the platform operators, who aggregate, manage, and distribute user-generated content. Based on a historical summary, this article delineates the characteristics of this new approach of content distribution, draws comparisons to the traditional media companies, derives implications for the media markets, and provides a definition for the term media company that is valid in both the online and offline world.
    Subject(s): Broadcasting industry ; Historical analysis ; Internet access ; Mass media ; Publishing industry ; Studies
    ISSN: 1424-1277
    E-ISSN: 1424-1250
    Source: Communication & Mass Media Complete
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  • 5
    Language: English
    In: Journal of management information systems, 2011-12-01, Vol.28 (3), p.85-126
    Description: Despite the need to better understand how customers of software-as-a-service (SaaS) solutions perceive the quality of these software services and how these perceptions influence SaaS adoption and use, there is no extant measure that comprehensively captures service quality evaluations in SaaS. Based on previous SERVQUAL and SaaS literature, field interviews and focus groups, a card-sorting exercise, and two surveys of SaaS using companies, we develop, refine, and test SaaS-Qual, a zones-of-tolerance (ZOT)-based service quality measurement instrument specifically for SaaS solutions. Besides validating already established service quality dimensions (i.e., rapport, responsiveness, reliability, and features), we identify two new factors (i.e., security and flexibility) that are essential for the evaluation of service quality of SaaS solutions. SaaS-Qual demonstrates strong psychometric properties and shows high nomological validity within a framework that predicts the continued use of SaaS solutions by existing customers. In addition to developing a validated instrument that provides a fine-grained measurement of SaaS service quality, we also enrich existing research models on information systems continuance. Moreover, the SaaS-Qual instrument can be used as a diagnostic tool by SaaS providers and users alike to spot strengths and weaknesses in the service delivery of SaaS solutions.
    Subject(s): Application service providers ; Business structures ; Computer software ; Customer services ; Customers ; Electronic commerce ; Information storage and retrieval systems ; Information systems ; Information technology ; IS continuance ; Marketing ; Measurement ; Modeling ; Quality of service ; SaaS-Qual ; service quality ; SERVQUAL ; Software services ; software-as-a-service ; Studies ; Vendors ; zones of tolerance
    ISSN: 0742-1222
    E-ISSN: 1557-928X
    Source: International Bibliography of the Social Sciences (IBSS)
    Source: JSTOR Arts & Sciences X
    Source: Business Source Ultimate
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  • 6
    Language: English
    In: International journal of electronic commerce, 2011-07-01, Vol.15 (4), p.7-56
    Description: Operators of online communities (OCs) continuously try to create a trusting atmosphere and encourage user participation in their OC by implementing different information technology (IT) features that should signal a secure and high-quality environment for the exchange of content and personal information. However, without including users' perspective on which IT features actually affect trust and participation, uncertainty remains about whether OC operators are pulling the right levers. Although previous research has examined the effects of IT features on trust and participation in OCs, the field lacks a comprehensive perspective that compares users' trust perceptions and participation behavior induced by IT features with operators' efforts to provide these IT features in their OC. Drawing on signaling theory, we develop a technology-trust-participation research model that captures a dual perspective on how the provision of IT features, conceived of as IT-based signals or cues, affects users' trust perceptions and participation behavior. Employing a comprehensive quantitative research study, including an online-survey of 364 OC members and a content analysis of 80 general interest OCs, the authors show that five clusters of IT features (usability, transparency, quality-assured content, security, and privacy) vary in their impact on trust and participation, providing insights into their relative effectiveness. We found that although specific IT features are strong in building trust and participation, they are not sufficiently implemented in OCs. The results of this study advance our understanding about the different theoretical paths by which IT feature signals influence user participation and thus serve to mitigate uncertainty in online communities. By juxtaposing perceptual and objective data of users and OC operators, we are also able to identify various divergences between the perceived and actual significance of IT features' influence on trust and participation. Our findings also provide operators with guidelines that support them to effectively shape users' experiences in OCs.
    Subject(s): Academic communities ; Content analysis ; Data integrity ; Data security ; Electronic commerce ; Information storage and retrieval systems ; Information technology ; Online communities ; Participation ; privacy ; quality-assured content ; security ; signaling theory ; Signals ; Social perception ; transparency ; Trust ; Usability ; User behavior
    ISSN: 1086-4415
    E-ISSN: 1557-9301
    Source: JSTOR Arts & Sciences X
    Source: Business Source Ultimate
    Source: Taylor & Francis:Master (3349 titles)
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  • 7
    Article
    Article
    2011
    ISSN: 1527-7941 
    Language: English
    In: Advances in skin & wound care, 2011-04, Vol.24 (4), p.192-192
    Subject(s): Care and treatment ; Checklist - methods ; Humans ; Nursing ; Physiological aspects ; Practice guidelines (Medicine) ; Prognosis ; Risk Factors ; Standards ; Terminology ; Treatment Outcome ; Wound Healing ; Wounds and injuries ; Wounds and Injuries - diagnosis ; Wounds and Injuries - nursing ; Wounds and Injuries - therapy
    ISSN: 1527-7941
    E-ISSN: 1538-8654
    Source: Journals@Ovid - LWW Extended Archive Collection
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  • 8
    Language: English
    In: Geoarchaeology, 2021-03, Vol.36 (2), p.252-265
    Description: The open‐air site Feuersteinacker near Stumpertenrod has yielded one of the largest lithic assemblages in Central Germany. It repeatedly served as a workshop for the production of stone tools during an early phase of the Mesolithic. The range of lithic raw materials is extremely diverse, but until today, there is only a limited number of archaeological studies on the occurrence of lithic resources in the area. The following study presents the first in‐depth investigation of the use of different rock types by Mesolithic hunter–fisher–gatherers at the site. Provenance analyses using petrographic methods permit raw materials to be assigned to a specific source and provide new insights into their formation. Furthermore, this study explores the way in which the materials were processed throughout the reduction sequence. A comparison of topographic parameters suggests that the location was situated on an important transit route during prehistoric times. The presented results contribute to a better understanding of mobility patterns and subsistence strategies of Early Mesolithic groups in Central Germany.
    Subject(s): Analysis ; Archaeology ; early Mesolithic ; Lithic ; lithic raw materials ; Mesolithic ; mobility ; petrography ; provenance analysis ; Raw materials ; subsistence ; Usage
    ISSN: 0883-6353
    E-ISSN: 1520-6548
    Source: Alma/SFX Local Collection
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  • 9
    Language: English
    In: Electronic markets, 2014-10-29, Vol.24 (4), p.259-268
    Description: Freemium seems to be a promising solution for content providers to earn money now that Web 2.0 users feel entitled to free services and content services like Spotify generally accept this concept. Providers using freemium offer their service in free basic and paid premium versions. To prompt users to pay, a free version has fewer functions. However, no studies have yet investigated whether limiting features is the best strategy for converting users into paying customers, and, if so, how many functional differences there should be between free and premium versions. Therefore, our study aims to measure whether a free service’s limitations impact the evaluation of free and premium versions. Drawing on the Dual Mediation Hypothesis and the Elaboration Likelihood Model, we examined 317 freemium users’ survey responses. Our results indicate that companies providing freemium services can increase the probability of user conversion by providing a strong functional fit between their free and premium services.
    Subject(s): Business and Management ; Business Information Systems ; Consumer attitudes ; Conversion ; Customer services ; Dual mediation hypothesis ; e-Commerce/e-business ; Economics / Management Science ; Feature limitations ; Freemium ; Freeware ; Hypotheses ; Internet ; IT in Business ; L11 ; L82 ; Marketing ; Music ; Software ; Special Theme ; Studies ; Subscriptions ; Web 2.0 ; Web sites
    ISSN: 1019-6781
    E-ISSN: 1422-8890
    Source: International Bibliography of the Social Sciences (IBSS)
    Source: Alma/SFX Local Collection
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  • 10
    Language: English
    In: Business & information systems engineering, 2017-07-04, Vol.59 (4), p.301-308
    Description: Byline: Christine Legner (1), Torsten Eymann (2), Thomas Hess (3), Christian Matt (4), Tilo Bohmann (5), Paul Drews (6), Alexander Madche (7), Nils Urbach (2), Frederik Ahlemann (8) Author Affiliation: (1) Faculty of Business and Economics (HEC), University of Lausanne, Internef 127.3, 1015, Lausanne, Switzerland (2) University of Bayreuth, Universitatsstra[sz]e 30, 95447, Bayreuth, Germany (3) LMU Munchen, Munich, Germany (4) University of Bern, Bern, Switzerland (5) University of Hamburg, Hamburg, Germany (6) Leuphana University of Luneburg, Luneburg, Germany (7) Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany (8) University of Duisburg-Essen, Duisburg, Germany Article History: Registration Date: 06/06/2017 Online Date: 04/07/2017
    Subject(s): Business and Management ; Business and Management, general ; Discussion ; general ; IT in Business
    ISSN: 2363-7005
    ISSN: 1867-0202
    E-ISSN: 1867-0202
    Source: Alma/SFX Local Collection
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